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Page Title:
DOES NOT START OR STARTS HARD-continued |
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 Test for defective fuel injection pump.
A Adjust
model
B Retime fuel injection pump and engine (model PSU, p 4-7; model 50, p 4-7).
Replace defective or worn parts (model PSU, p 3-64; model 50, p 3-80).
PSU, p 3-72; model 50, p 3-88).
D Replace defective fuel injection pump
Check for defective fuel injector nozzles.
A Perform nozzle assembly test and adjustment
procedures (p 4-13).
B Service nozzle and holder assembly (p 3-25).
6
Check cylinder compression.
A Perform cylinder compression test (p 4-21
NOTE
If there is compression leakage, perform steps
B and C.
Inspect connecting rod and piston assembly (p 3-119).
B
c
Inspect cylinder walls (p 3-137).
Check valve clearance.
7
Adjust valve clearance (p 4-19).
8
Inspect valve seats (p 3-42).
A Reface or replace valve seat insert (p 3-42).
B Reface or replace valve (p 3-40).
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