Stop the engine and open the rear door. Remove the engine. (See Removal And Installation on Page 70-80-1.) Remove the timing gearcase cover. (See Timing…

Measure the rocker arm I.D. (Item 1) [Figure 70-70-42] with the inside micrometer. Measure the rocker arm shaft O.D. (Item 2) [Figure 70-70-42] with a…

Adjust the valve clearance as follows: Loosen the lock nut (Item 1) [Figure 70-70-39]. Turn the adjustment screw (Item 2) [Figure 70-70-39] until the correct…

Assemble the injector nozzle. Connect the nozzle to the tester with the nozzle down [Figure 70-70-38]. Operate the hand lever at a slow rate and…

Disassemble and clean the injector nozzle. The nozzle release pressure can be adjusted by adding or removing spacer(s) (Item 2) from the top of the…

The tool listed will be needed to do the following procedure: OEM1064 – Injector Nozzle Tester Check for inside leakage. Operate the hand lever until…

The following are some problems caused by faulty injectors: – Engine is hard to start or will not start – Rough engine operation and idle…

Timing the injection pump is done by changing the number of shims between the injection pump and the injection pump mounting surface. Disconnect the number…

Clean the area around the injection pump thoroughly. Disconnect the high pressure fuel lines (Item 1) [Figure 70-70-15] from the fuel injectors. Disconnect the fuel…

The injection pump contains parts which have a very close tolerance and its operation has a direct effect on the performance of the engine. The…