CB 1072.4-1988 Marine Diesel Engine Assembly Man-hour Quota High-speed Diesel Engine CB1072.4-1988 Standard Download Decompression Password: www.bzxz.net

China State Shipbuilding Corporation Department Standard
CB1072.4--88
Man-hour quota for assembly of marine diesel engines
High-speed diesel engines
Published on 1988-08-17
China State Shipbuilding Corporation
Implemented on 1988-12-01
China State Shipbuilding Corporation Department Standardwww.bzxz.net
Man-hour quota for assembly of marine diesel engines
1 Subject content and scope of application
This standard specifies the man-hour quota for assembly of high-speed marine diesel engines. This standard applies to the assembly and final assembly of typical parts and components of high-speed marine diesel engines. 2 General period
High-speed diesel engine
CB1072.4—88
Classification number, U02
2.1 The working hours quotas in this standard are given under typical conditions, based on a two-row twelve-cylinder engine. When used, they can be modified according to the actual difficulty and the increase or decrease in the number of cylinders.
2.2 The working hours quotas specified in this standard include operation time, work place arrangement time, rest and physiological play time, preparation and end time.
2.3 The technical level specified in this standard is determined in accordance with the "Nubo Industrial Worker Technical Level Standard" issued by China State Shipbuilding Corporation in 1983.
8 Lower Quci Box
8.1 The pavilion configuration is shown in Figure 1.
1-crankcase oil return pipe, 2-reverse clutch oil return pipe; 3-return oil pump transmission device fixing flange; 4-return oil pump transmission device; 5--stud
3,2 Operation content,
a. Cleaning parts Clean the lower crankcase parts and inspect the appearance. b. Install the oil pump transmission device: Clean and test the return oil pump transmission device, adjust the position in the lower crankcase and tighten it. C. Install the screw plug: Clean the oil drain plug, screw plug, etc., check the thread, install and tighten it on the lower crankcase. d. Install the return oil pipe filter: Repair and test the lower crankcase return oil pipe and filter, remove and clean each component, lubricate the interior of the lower crankcase, and install the screw plug.
8.3 See Table 1 for the labor hour quota,
Approved by China State Shipbuilding Corporation on August 17, 1988 and implemented on December 1, 1988
Cylinder diameter D
Technical level
Cleaning parts
Installing oil pump
Transmission device
Installing screw plug
Oil return pipe, filter
min/unit
3.4 ​​Table 1 is based on a two-row twelve-cylinder engine. If one row of six cylinders is added or subtracted, the labor hours will increase or decrease by 50%. 4 Upper crankcase
4.1 See Figure 2 for the structural type.
1 Bearing cover; 2 Bearing cover stud, 3-crankcase groove; 4-main bearing lower bushing; 5-main bearing upper bushing, 6-diesel engine support flange; 7-cylinder block stud, 8, 9-washer; 10-pin, 11 bearing cover lubricating oil hole, 12-main bearing lubricating oil pipe
4,2 Operation content:
a. Cleaning parts: Cleaning the upper crankcase parts and checking the appearance; b. Installing the upper crankcase parts: Repairing the upper crankcase, adjusting and installing the fuel pump bracket and generator bracket, installing the oil pipe joint, measuring the optional gears, measuring the optional cylinder cap, bevel gear, and transmission installation bushing and knocking marks, d. Optional bearings: Measure the optional upper crankcase bearings, install the bearing cap studs and cylinder studs, test install the installation parts, check the clearance, knock marks,
e. Install the bevel gear, test install the transmission bushing, check the tooth side of the bevel gear and the transmission gear, and color it with blue oil, check the meshing between the gears, check the tooth clearance and fit between the bevel gear and the oil return pump transmission gear, and check the tooth side clearance and fit between the intermediate transmission gear and the helical gear. 4.8 Man-hour quota table 2.
Zhengdao D
Technical level
Chandu Group
CB1072.4-88
Install crankshaft
Axle box components
Optional gear
Optional bearing
min/unit
4.4 Table 2 is based on a two-row twelve-cylinder engine. If one row of six cylinders is added or subtracted, the working hours will increase or decrease by 50%. 5 Crankshaft
For structural type, see 3.
1-crankshaft; 2-main journal oil chamber; 3-connecting rod shaft pre-plug; 4-bolt, 5-washer; 6-pin; 7-bevel gear, 8-spline sleeve; 9-spline shaft, 10-locking ring; 11-locking ring, 12 crankshaft spline sleeve, 13 bushing; 14-main journal plug, 15 bolt, 16-floating sleeve, 17-oil outlet short pipe; 18 main journal plug, 19-stage punch 5.2 Operation content,
a, cleaning parts: clean the crankshaft parts and oil chamber, check the appearance of the parts, b. Assemble, weigh the neck plug according to the technical requirements, knock and mark, install and tighten the main journal plug, Connecting rod neck plug, prepare pump pressure tools and seal pressure test, clean after submission for acceptance; install crankshaft spline shaft, spline sleeve, check joints; C. Install connecting rod, measure, calculate, and adjust the clearance between connecting rod bearing and journal, record cylinder number on connecting rod, clean taper pin, install connecting rod,
d, install buffer, clean buffer parts, calculate actual roller size, select dial, adjust wheel circle end face, select spring seat, assemble and adjust the clearance between support, check roller diameter difference, test hood and disassemble, record number, clean, assemble and position buffer and accessories.
5.8 The working hour quota is shown in Table 3.
Cylinder diameter D
Technical level
Install connecting rod
Install green plunger
min/unit
CB1072.488
5.4 Table 3 is based on a two-row twelve-cylinder engine. If one row of six cylinders is added or subtracted, the working hours will increase or decrease by 50%. 6 Oil and piston ring
8,1 See Figure 4 for the structural type.
1-piston ring; 2-piston pin; 3-piston pin plug, 4-upper bushing, 5-piston head; 6-air outlet, 7-bushing, 8-moving sleeve
B.2 Operation content:
a, cleaning parts: clean piston parts and oil chamber, check the appearance of parts, b. piston assembly: weigh the piston assembly, calculate the weight difference between the connecting rod and the piston assembly, C, assemble the piston, measure and calculate the piston pin and piston bore diameter, connect rod bore diameter, select according to technical requirements, adjust the assembly plug, check the gap, knock and print marks, install the piston ring, and inspect carefully. 6.8 The working hours are shown in Table 4.
Diameter D
Technical level
Cleaning parts
Plug assembly
Assembling piston
min/unit
Table 4 is based on a two-row twelve-cylinder engine. If one row of six cylinders is added or subtracted, the working hours will increase or decrease by 50%. 6.4
Connecting rod mechanism
7.1 See Figure 5 for the structural type.
7,2 Operation;
CB.1072.4-88
1-main connecting rod, 2-auxiliary connecting rod; 3-brake screw, 4-intermediate supporting oil hole; 5-oil channel, 6-oil hole, 7-taper pin; 8-connecting rod covera, cleaning parts: clean connecting rod parts and oil cavity, check the appearance of parts, b. Select connecting rod, measure and calculate the selection of main and auxiliary connecting rods, connecting rod pins, weigh parts, C, assemble connecting rods, polish connecting rod pins, assemble main and auxiliary connecting rods, check parallelism and twisting. 7.3 See Table 5 for working hours.
Cylinder diameter D
Technical level
Cleaning parts
Optional connecting rod
Table 5 is based on a two-row twelve-cylinder engine. If one row of six cylinders is added or subtracted, the working hours will increase or decrease by 50%. Cylinder block
Operation content,
a, Cleaning parts, Decontaminating cylinder block parts, Checking the appearance of parts, Assembling connecting rod
min/set
b, Grinding cylinder liner, Adjusting and grinding cylinder liner, Checking whether the cylinder liner protrudes from the cylinder block to meet the technical requirements, Rinse the run-in cylinder block and cylinder liner
c, Water pressure test: Prepare pump pressure tools, Install sealing rings, Press the cylinder set into the cylinder body, Install cylinder head and cylinder water jacket, Seal pressure test, Check for leakage, After submission for acceptance, Clean and inspect, Apply oil for maintenance; d Install fuel injector; Install fuel injector on the cylinder block, Assemble the starting valve and air pipe assembly, e. General assembly, general assembly of cylinder block and inspection of cylinder block. 5
8.2 Man-hour quota see Table 6
Cylinder diameter D
Technical level
CB1072.4-88
Cylinder bag
Hydraulic pressure test
min/unit
Table 6 is based on a two-row twelve-cylinder engine. If one row of six cylinders is added or subtracted, the man-hour will increase or decrease by 50%. ·
Cylinder head
Structural type see Figure 6.
General assembly
Valve tray; 2—Valve tray lock plate; 3—Valve outer spring, 4—Valve middle spring; 5—Exhaust valve guide sleeve, 6—Exhaust valve seat; 7—Exhaust valve; 8—Stud; 9—Intake valve, 10—Intake valve seat, 11—Intake valve guide sleeve 9.2 Operation content;
a. Clean the parts; disassemble the cylinder head, remove the bearing, clean the parts, and check the appearance of the parts; b. Assemble the camshaft: install the lock ring on the camshaft, install the gear screw plug, lock the bearing and the cylinder head screw, install the tachometer bearing, adjust and position the transmission small shaft and the intermediate distribution shaft, check the tooth clearance, and check the fit by oil coloring; c. Install the intake and exhaust valves; soak the intake and exhaust valves in scallion sesame oil, remove the tray, knock and print the mark, adjust and install the intake and exhaust valves, check the plane, prepare the pump pressure tool, and perform the valve seal pressure test; d. Install the intermediate distribution shaft: adjust and install the intermediate distribution shaft, check the tooth side clearance, blue oil coloring, check the gear meshing, and position and tighten.
9.8 See 7 for the labor hour quota.
Zhengdao D
Technical level
Cleaning parts
CB1072.4—88
Assembling camshaft
Installing intake and exhaust valves
Installing central distributor shaft
min/unit
Table 7 is based on a two-row twelve-cylinder engine. If one row of six cylinders is added or subtracted, the working hours will increase or decrease by 50%. 10 General assembly
10.1 Circled parts, moving parts
10.1.1 Operating internal parts;
a. Install the lower crankcase: adjust and install the lower crankcase according to technical requirements; close
b, install the reverse clutch: clean and adjust and install the reverse clutch on the machine, check the clearance between the main shaft bushing and the crankshaft oil outlet short pipe of the clutch,
c, install the cylinder block, clean and install the cylinder block on the machine, d, install the exhaust pipe, repair the exhaust pipe, adjust the position and tighten it on the machine e. Install the supercharger: clean the supercharger, add lubricating oil to the oil pool, adjust the position and tighten it on the machine; f. Install the piston: hoist the piston and install the piston according to technical requirements. 10.1.2 The working hours are shown in Table 8.
Cylinder diameter D
Technical level
Reverse clutch
Lower crankcase
min/unit
10.1.8 Table 8 is based on a two-row twelve-cylinder engine. If one row of six cylinders is added or subtracted, the working hours will increase or decrease by 50%. 10.2 Control parts
10.2.1 Operation content:
a. Cam extraction; clean camshaft, position and install on the machine, adjust valve opening and closing time, check the gap between the back of the valve and the valve tray, b. Air distributor; adjust the timing of the air distributor according to technical requirements; c. Adjust the timing of the injector, adjust the injection timing of the injector and install and tighten it on the machine; d. Cylinder head, speed transmission device: add pressure oil to the camshaft, install the cylinder head on the cylinder head, install the transmission device and transmitter of the tachometer;
e. Fuel filter, clean and install the fuel filter, and press the operating mechanism of the governor. 10.2.2 The working hours are shown in Table 9.
Red diameter D
Technical level
Camshaft
CB1072.4—88
Air distributor
Injector timing
Cylinder head
Speed ​​transmission device
min/unit
10.2.3 Table 9 is based on a two-row twelve-cylinder engine. If one row of six cylinders is added or subtracted, the working hours will increase or decrease by 50%. 10.3 Various pumps
10.3. 1 Operation content,
a, fresh water pump; check the installation position of the fresh water pump, adjust the position according to the requirements of the drawing and tighten it, oil
filter
b. Lubricating oil pump, check the installation position of the lubricating oil pump with centrifugal filter, adjust the position and connect and tighten it according to the requirements of the drawing; c. Fuel delivery record, check the installation position of the fuel delivery pump, adjust the position and connect and tighten it according to the requirements of the drawing; d, seawater pump: check the installation position of seawater slurry, adjust the position and connect and tighten it according to the requirements of the drawing. 10.8.2 The working hours are shown in Table 10.
Red diameter D
Technical level
Fresh water pump
Lubricating oil pump
min/unit
10.3.3 Table 10 is based on a two-row twelve-cylinder engine. If one row of six cylinders is added or subtracted, the working hours will increase or decrease by 50%. 10.4 Pipe fittings
10.4.1 Operation content,
Seawater pump
a. Connect the water pipe, repair the burrs on the water pipe, clean the pipe fittings, and install the water pipe between the cylinder block and the fresh water pump. b. Intake pipe: repair and clean the intake pipe, check the limit transfer limiter, adjust and install the connection and tighten it on the machine. c. Lubricating oil pipe: repair and clean and install the external lubricating oil pipe; d. Exhaust main pipe: repair and clean and install the exhaust main pipe and water pipe on the machine;
e. Low-pressure fuel pipe: repair and clean and adjust and tighten the low-pressure fuel pipe on the machine, check the gap between the pipe system and the engine parts; f. Injector fuel pipe, repair and clean the injector fuel pipe and accessories and adjust and connect them on the machine. 10.4.2 The working hours are shown in Table 11,
Cylinder diameter D
Technical level
Connecting water pipe
Intake pipe
CB1072.4—86
Lubricating oil pipe
Exhaust main pipe
min/unit
10, 4.8 Table 11 is based on a two-row twelve-cylinder engine. If one row of six cylinders is added or subtracted, the working hours will increase or decrease by 50%. 10.5 Inspection before test run
10.5.1 Operation content;
a. Listen and inspect the diesel engine; after assembly, listen and inspect the diesel engine for abnormalities, b. Seal pressure test; diesel engine seal pressure test; c. Handover, hand over the diesel engine to the technical inspection department and the ordering unit. 10.5.2 The working hours are shown in Table 12.
Cylinder diameter D
Technical level
Diesel engine
Seal pressure test
min/unit
Table 12 is based on a two-row twelve-cylinder engine. If one row of six is ​​added or subtracted, the working hours will increase or decrease by 50%. 10.5.3
Additional instructions,
This standard is proposed and managed by the Personnel Department of China Bangbo Industry Corporation. Oil
This standard is initiated by Dalian Period Diesel Engine Factory. Hudong Shipyard, Shanghai Shipyard, Yichang Ship Diesel Engine Factory, and Sichuan Diesel Engine Factory participated.
The main drafter of this standard is Li Kejian.4—88
Air distributor
Injector timing
Cylinder head
Speed ​​transmission device
min/unit
10.2.3 Table 9 is based on a two-row twelve-cylinder engine. If one row of six cylinders is added or subtracted, the working hours will increase or decrease by 50%. 10.3 Various pumps
10.3.1 Operation content,
a, fresh water pump; check the installation position of the fresh water pump, adjust the position according to the requirements of the drawing and tighten it, oil
filter
b. Lubricating oil pump, check the installation position of the lubricating oil pump with centrifugal filter, adjust the position and connect it according to the requirements of the drawing and tighten it; c. Fuel delivery record, check the installation position of the fuel delivery pump, adjust the position and connect it according to the requirements of the drawing and tighten it; d, seawater pump: check the installation position of the seawater slurry, adjust the position and connect it according to the requirements of the drawing and tighten it. 10.8.2 The working hours are shown in Table 10.
Red diameter D
Technical level
Fresh water pump
Lubricating oil pump
min/unit
10.3.3 Table 10 is based on a two-row twelve-cylinder engine. If one row of six cylinders is added or subtracted, the working hours will increase or decrease by 50%. 10.4 Pipe fittings
10.4.1 Operation content,
Seawater pump
a. Connect the water pipe, repair the burrs on the water pipe, clean the pipe fittings, and install the water pipe between the cylinder block and the fresh water pump. b. Intake pipe: repair and clean the intake pipe, check the limit transfer limiter, adjust and install the connection and tighten it on the machine. c. Lubricating oil pipe: repair and clean and install the external lubricating oil pipe; d. Exhaust main pipe: repair and clean and install the exhaust main pipe and water pipe on the machine;
e. Low-pressure fuel pipe: repair and clean and adjust and tighten the low-pressure fuel pipe on the machine, check the gap between the pipe system and the engine parts; f. Injector fuel pipe, repair and clean the injector fuel pipe and accessories and adjust and connect them on the machine. 10.4.2 The working hours are shown in Table 11,
Cylinder diameter D
Technical level
Connecting water pipe
Intake pipe
CB1072.4—86
Lubricating oil pipe
Exhaust main pipe
min/unit
10, 4.8 Table 11 is based on a two-row twelve-cylinder engine. If one row of six cylinders is added or subtracted, the working hours will increase or decrease by 50%. 10.5 Inspection before test run
10.5.1 Operation content;
a. Listen and inspect the diesel engine; after assembly, listen and inspect the diesel engine for abnormalities, b. Seal pressure test; diesel engine seal pressure test; c. Handover, hand over the diesel engine to the technical inspection department and the ordering unit. 10.5.2 The working hours are shown in Table 12.
Cylinder diameter D
Technical level
Diesel engine
Seal pressure test
min/unit
Table 12 is based on a two-row twelve-cylinder engine. If one row of six is ​​added or subtracted, the working hours will increase or decrease by 50%. 10.5.3
Additional instructions,
This standard is proposed and managed by the Personnel Department of China Bangbo Industry Corporation. Oil
This standard is initiated by Dalian Period Diesel Engine Factory. Hudong Shipyard, Shanghai Shipyard, Yichang Ship Diesel Engine Factory, and Sichuan Diesel Engine Factory participated.
The main drafter of this standard is Li Kejian.4—88
Air distributor
Injector timing
Cylinder head
Speed ​​transmission device
min/unit
10.2.3 Table 9 is based on a two-row twelve-cylinder engine. If one row of six cylinders is added or subtracted, the working hours will increase or decrease by 50%. 10.3 Various pumps
10.3.1 Operation content,
a, fresh water pump; check the installation position of the fresh water pump, adjust the position according to the requirements of the drawing and tighten it, oil
filter
b. Lubricating oil pump, check the installation position of the lubricating oil pump with centrifugal filter, adjust the position and connect it according to the requirements of the drawing and tighten it; c. Fuel delivery record, check the installation position of the fuel delivery pump, adjust the position and connect it according to the requirements of the drawing and tighten it; d, seawater pump: check the installation position of the seawater slurry, adjust the position and connect it according to the requirements of the drawing and tighten it. 10.8.2 The working hours are shown in Table 10.
Red diameter D
Technical level
Fresh water pump
Lubricating oil pump
min/unit
10.3.3 Table 10 is based on a two-row twelve-cylinder engine. If one row of six cylinders is added or subtracted, the working hours will increase or decrease by 50%. 10.4 Pipe fittings
10.4.1 Operation content,
Seawater pump
a. Connect the water pipe, repair the burrs on the water pipe, clean the pipe fittings, and install the water pipe between the cylinder block and the fresh water pump. b. Intake pipe: repair and clean the intake pipe, check the limit transfer limiter, adjust and install the connection and tighten it on the machine. c. Lubricating oil pipe: repair and clean and install the external lubricating oil pipe; d. Exhaust main pipe: repair and clean and install the exhaust main pipe and water pipe on the machine;
e. Low-pressure fuel pipe: repair and clean and adjust and tighten the low-pressure fuel pipe on the machine, check the gap between the pipe system and the engine parts; f. Injector fuel pipe, repair and clean the injector fuel pipe and accessories and adjust and connect them on the machine. 10.4.2 The working hours are shown in Table 11,
Cylinder diameter D
Technical level
Connecting water pipe
Intake pipe
CB1072.4—86
Lubricating oil pipe
Exhaust main pipe
min/unit
10, 4.8 Table 11 is based on a two-row twelve-cylinder engine. If one row of six cylinders is added or subtracted, the working hours will increase or decrease by 50%. 10.5 Inspection before test run
10.5.1 Operation content;
a. Listen and inspect the diesel engine; after assembly, listen and inspect the diesel engine for abnormalities, b. Seal pressure test; diesel engine seal pressure test; c. Handover, hand over the diesel engine to the technical inspection department and the ordering unit. 10.5.2 The working hours are shown in Table 12.
Cylinder diameter D
Technical level
Diesel engine
Seal pressure test
min/unit
Table 12 is based on a two-row twelve-cylinder engine. If one row of six is ​​added or subtracted, the working hours will increase or decrease by 50%. 10.5.3
Additional instructions,
This standard is proposed and managed by the Personnel Department of China Bangbo Industry Corporation. Oil
This standard is initiated by Dalian Period Diesel Engine Factory. Hudong Shipyard, Shanghai Shipyard, Yichang Ship Diesel Engine Factory, and Sichuan Diesel Engine Factory participated.
The main drafter of this standard is Li Kejian.
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