CHASSIS
9B-3
SECTION 9B. FAILURE ANALYSIS
GENERAL
The following table lists common problems, probable
causes, and suggested remedies with section refer-
ences to detailed descriptions of remedial procedures.
PROBLEM PROBABLE CAUSE REMEDY
1. Lift/lower functions do not
occur when the joystick is
actuated
a. Joystick inoperative
b. Hydraulic lines are kinked
c. Hydraulic charge pump faulty
d. Hydraulic cylinder is not func-
tioning
e. Lift and lower control valve is
malfunctioning
a. Check joystick (Section 10G)
b. Replace lines (Section 8C)
c. Test pump (Section 8N or
Section 8O)
d. Test cylinder (Section 8N or
Section 8O)
e. Test valve (Section 8L,
Section 8N, or Section 8O)
2. Slow or noisy drive or lift
lower operation
a. Low fluid level in hydraulic
tank
b. Loose hose connections
c. Air in system
d. Steering relief too low
a. Fill tank, check for hydraulic
leaks
b. Tighten connections
(Section 8C)
c. Bleed system
d. See Section 8O
9B