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 LOW ENGINE POWER
ENGINE
NOTE
Maximum engine horsepower will be reduced
about four percent for each 1000 feet above sea
level after the first 1000 feet.
1
Check fuel lines and fittings for leaks. Unscrew fuel line fit-
tings and replace defective parts (p 3-17).
Check governor linkage.
2
A Check governor linkage for proper installation (p 3-16).
B
Inspect governor linkage for defective components (p 3-16).
3
Test for defective fuel injection pump.
.
A
Replace defective or worn parts (model PSU, p 3-64; model 50, p 3-80).
B
Replace defective fuel injection pump (model PSU, p 3-72; model 50, p 3-88).
c
Retime fuel injection pump to engine (model PSU, p 4-7; model 50, p 4-7).
4
Test 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).
5
Check engine and fuel injection pump for poor timing.
0800
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