Komatsu 730E, Shop Manual, Page: 36 / 51

A3-22 General Safety & Operation A03048
8. Move behind the rear of the front wheel. Ensure
the suspension protective boot is in good condi-
tion. Verify all suspension (6, Figure 3-3) attach-
ing hardware bolts are completely tightened.
Inspect the mounting key area for evidence of
wear. Verify the suspension extension (exposed
piston rod) is correct. Check for leaks.
Check for leaks around the hub and brakes.
Also, check for any unusual wear conditions or
damage.
Ensure the rod end of the steering cylinder is
properly greased. Verify all mounting hardware
is properly tightened. Check for any hydraulic
leaks.
9. Check the oil level in the hydraulic tank (18). With
the engine stopped and the body down, hydraulic
fluid must be visible in the upper sight glass.
10. Verify all hydraulic tank shut off valves are
locked in the fully open position.
11. Move around the hydraulic tank in front of the rear
dual tires.
Inspect the hoist cylinder (13) for any damage
or hydraulic oil leaks.
Ensure both the upper and lower hoist cylinder
pins are properly tightened and greased.
12. Inspect the lower edge of the chassis.
Ensure the blower hose (9) is in good condition
with no holes or breakage.
Check the main hydraulic pumps (19 and 20) for
leakage.
Check for other unusual conditions with the
pumps or the pump drive shaft.
13. Move around the left side dual tires (17). Inspect
the attaching lugs/wedges to ensure they are
properly tightened. Replace any parts that are
missing.
Inspect the wheel cover for cracks or damage.
Verify the latches are properly fastened. Inspect
the area for any oil leakage from inside the
wheel cover (could indicate brake or wheel
motor leakage.
Inspect the dual tires for damage. Verify proper
inflation pressure. If the truck has been operat-
ing with low tire pressure,
the tire must be
cooled before parking the truck inside.
14. Move to the rear of the dual tires. Check for and
remove any rocks lodged between the dual
tires. To prevent tire damage, verify the rock
ejector is in good condition and straight.
15. Inspect the left rear suspension (16) for dam-
age. Verify all suspension attaching hardware is
completely tightened.
Verify the suspension is properly charged.
Ensure there are no leaks. Verify the suspen-
sions are properly greased. Verify the cover
over the chromed piston rod is in good condi-
tion.
16. Move to the rear center of the truck. Open the
rear hatch cover, and turn on the work light, if
necessary. Inspect the condition of the hatch
cover gasket. Inspect the housing (14) for any
foreign objects or misplaced tools.
Check for leaks around the mounting surface of
the rear housing wheel motor (15) and any
brake hose fittings.
Verify the covers on the wheel motor sump are
firmly attached. Turn off the work light, if used,
and close and latch the rear hatch cover.
17. While standing in front of the rear hatch, verify
the rear lights and back-up horns are working.
Inspect the panhard rod for proper lubrication.
Also, inspect both body hinge pins for damage
and proper lubrication.
18. Inspect the right rear suspension (16) for dam-
age. Verify all suspension attaching hardware is
completely tightened.
Verify the suspension is properly charged.
19. Ensure there are no leaks. Verify the suspen-
sions are properly greased. Verify the cover over
the chromed piston rod is in good condition.