a. Defective shutter control or
a . Replace shutter control linkage
8. Engine over-
b. Defective water pump assembly
b. Repair or replace water pump as-
c. Clean, repair, or replace radiator
c. Clogged or defective radiator.
d. Repair or replace oil pump (para.
d. Oil pump defective.
a. Clean, repair, or replace fuel in-
9. Engine `knocks"
a. Fuel injection nozzle sticking
b. Fuel injection pump timing advanced
b. Adjust fuel injection pump timing
f. Tighten flywheel mounting hard-
g. Tighten generator coupling (para.
h. Incorrect valve adjustment.
h.. Check valve adjustment. (Operator
and Organizational Maintenance
a. Fuel injection nozzle holders out of
a. Clean, adjust, or replace fuel in-
adjustment, dirty or defective
b. Worn, broken, or stuck piston rings
c. Worn valve guides or seals
c. Replace valve guides and seals
d. Replace or repair burned valves
e. Defective head gasket (11, figure
e. Replace defective head gasket
11. Engine oil con-
a. Check crankshaft seals in timing
gear cover. Check bell housing for
dripping oil. Replace seals as
b. Sticking, dirty, or defective oil
b. Clean, repair or replace oil pump
pump pressure relief valve (4,