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- WP2.1C
- Operation And Maintenance Manual
WEICHAI WP2.1C Operation And Maintenance Manual
Summary of WP2.1C
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Operation and maintenance manual for wp2.1c/wp3.9c marine diesel weichai power yangzhou diesel engine co., ltd..
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Operation and maintenance manual for wp2.1c/wp3.9c series marine diesel contents section i main specifications and engine data .................................................................................................. 1 1.1 specifications of the engines .........................................
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Operation and maintenance manual for wp2.1c/wp3.9c series marine diesel 1 section i main specifications and engine data 1.1 specifications of the engines model wp2.1c27e1 wp2.1c35e1 type water-cooled, vertical, in-line, four-stroke apiration natural aspiration no of cylinder - bore×stroke mm 4-85×92...
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Operation and maintenance manual for wp2.1c/wp3.9c series marine diesel 2 model wp3.9c53e1 wp3.9c61e1 type water-cooled, vertical, in-line, four-stroke apiration natural aspiration no of cylinder - bore×stroke mm 4-102×118 total displacement l 3.86 compression ratio 17.5 ：1 mean effective pressure k...
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Operation and maintenance manual for wp2.1c/wp3.9c series marine diesel 3 1.2 specifications of main components model wp2.1c27e201 wp2.1c35e201 injection pump type in-line, plunger type designation 4q366 bh4q75r8 governor tqa mechanical centrifugal type f uel supply pump single acting piston pump in...
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Operation and maintenance manual for wp2.1c/wp3.9c series marine diesel 4 model wp3.9c53e1 wp3.9c61e1 injection pump type in-line, plunger type injector type kbal-p028 designation p-type, porous type nozzle opening pressure（mpa） 24～25 fuel filter type spin-on, paper cartridge designation cx0710t lub...
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Operation and maintenance manual for wp2.1c/wp3.9c series marine diesel 5 1.3 main engine data model wp2.1c27e1 wp2.1c35e1 lub.Oil pressure rated conditions（kpa） 200-400 low idle speed (kpa) ≥50 lub.Oil temperature（℃） ≤95 cooling water temperature 75～95 exhaust temperature（℃） ≤480 tightening torque ...
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Operation and maintenance manual for wp2.1c/wp3.9c series marine diesel 6 section Ⅱ operation of the engine 2.1 fuel, lubricating oil and cooling water fuel the fuel for the engines is the light diesel oil (grades10, 0, -10, -20 and -35) specified in the china national standard gb 252. The fuel for ...
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Operation and maintenance manual for wp2.1c/wp3.9c series marine diesel 7 2.2 running-in of the engine a new engine or an overhauled one should not be run under rated conditions before it has gone through 50 hours of running –in under part load. Only 2 hours of running-in of the new engines is carri...
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Operation and maintenance manual for wp2.1c/wp3.9c series marine diesel 8 2.3.4 turn the crankshaft for several revolutions to check whether the movable parts move smoothly without interference. 2.3.5 check the battery and wiring in the electric system. 2.3.6 bleed the fuel supply system in the foll...
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Operation and maintenance manual for wp2.1c/wp3.9c series marine diesel 9 fracture of the engine. Section Ⅲ engine assembly and disassembly 3.1 cylinder head the monolithic cylinder head is made of high strength cast iron. The fuel injectors and valve train parts are mounted on the cylinder head. Th...
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Operation and maintenance manual for wp2.1c/wp3.9c series marine diesel 10 be done in the order as shown in fig.2. When dismounting the cylinder head, slacken the bolts in the reverse order. The operation procedure should be followed to prevent leakage and cylinder head deformation. Fig.2 fig.3 when...
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Operation and maintenance manual for wp2.1c/wp3.9c series marine diesel 11 bearing cover bolts, tighten the middle ones first and then the ones on both sides symmetrically to complete one operation step. The specified torque should be reached gradually in 2～3 steps. The two halves of main bearings a...
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Operation and maintenance manual for wp2.1c/wp3.9c series marine diesel 12 1. Camshaft timing gear 2. Idle gear 3. Injection pump gear 4. Oil pump gear 5. Oil pump driving gear 6.Crankshaft timing the valves are opened and closed in certain timing events. They are driven by the camshaft through tapp...
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Operation and maintenance manual for wp2.1c/wp3.9c series marine diesel 13 the difference in weight between the piston-connecting assemblies for the same engine should be less than 10 grammes. This requirement can be met through selection. The crankshaft is made of ductile nodular cast iron. There a...
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Operation and maintenance manual for wp2.1c/wp3.9c series marine diesel 14 the fuel feed pump is of single-acting and plunger type. It is mounted on one side of the injection pump and driven by a cam on the camshaft of the pump. A primer pump is attached on the feed pump to bleed air from the fuel p...
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Operation and maintenance manual for wp2.1c/wp3.9c series marine diesel 15 the lubricating oil filter cartridge is a spin-on canister. In case the cartridge is seriously clogged, the bypass valve will open, allowing unfiltered oil to flow directly to the main oil gallery in the cylinder block. Be su...
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Operation and maintenance manual for wp2.1c/wp3.9c series marine diesel 16 power supply of the starting motor is 3.8kw. Section Ⅳ adjustment of the engine 4.1 adjustment of valve clearances it is essential to adjust the valve clearances in operating an engine. The valve clearances on cold engines ar...
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Operation and maintenance manual for wp2.1c/wp3.9c series marine diesel 17 remove the high-pressure fuel pipe for the first cylinder; join a pipe to a thin glass tube and connect it with the first cylinder delivery valve holder of the injection pump. Set the speed control lever to the maximum delive...
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Operation and maintenance manual for wp2.1c/wp3.9c series marine diesel 18 4.5 adjustment of injection pump the injection pump has been adjusted and sealed in the factory. It should not be readjusted by customers except when absolutely necessary. All the service operations should be carried out by q...
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Operation and maintenance manual for wp2.1c/wp3.9c series marine diesel 19 b) check the water level in the radiator. Refill if necessary. C) check the fuel level in fuel tank. Refill if necessary. D) check the tightness of mounting bolts of the engine and installing bolts of components. Tighten them...
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Operation and maintenance manual for wp2.1c/wp3.9c series marine diesel 20 5.4 maintenance at the completion of every 1000 working hours a) complete all the procedures mentioned above. B) replace air filter cartridge. C) clear the cooling system of scale. D) clean the fuel tank and fuel pipeline. E)...
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Operation and maintenance manual for wp2.1c/wp3.9c series marine diesel 21 (2) fuel pipeline or fuel filter clogged. Dismount fuel pipeline or fuel filter. Clean or replace them. (3) air within fuel system. Bleed fuel system. Tighten all fuel pipe connections. (4)defective injection pump or incorrec...
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Operation and maintenance manual for wp2.1c/wp3.9c series marine diesel 22 (3) piston ring worn or lack of tension. Replace piston ring. (4) piston ring stuck due to carbon deposits. Clean piston and rings in kerosene. (5) cylinder liner and piston worn. Clearance between cylinder and piston too big...
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Operation and maintenance manual for wp2.1c/wp3.9c series marine diesel 23 (3) clearance between piston and cylinder liner too big, causing thudding noise (the noise disappears after fuel delivery to the cylinder being cut off for 3 to 5 seconds) check and repair. Replace piston and liner if necessa...
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Operation and maintenance manual for wp2.1c/wp3.9c series marine diesel 24 (4) cooling water flow reduction due to low water pump efficiency. Check clearance between water pump impeller and housing. Replace impeller if necessary. (5) defective water pump impeller. Replace impeller. (6) cooling water...
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Operation and maintenance manual for wp2.1c/wp3.9c series marine diesel 25 6.11 deterioration of lubricating oil possible causes suggested remedies (1) piston ring worn or stuck in groove, causing combustion gas or fuel to leak into the oil sump. Clean or replace piston ring. (2) water leaking into ...
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Operation and maintenance manual for wp2.1c/wp3.9c series marine diesel 26 appendix i spare parts of diesel engine wp2.1/2.5cd no. Part name no. Part name 1 valve spring, outer 11 first compression ring 2 valve spring, inner 12 second compression ring 3 intake valve 门 13 oil scraper ring assembly 4 ...