TM 5-3805-261-23-1
ELECTRICAL SYSTEM TROUBLESHOOTING PROCEDURES - CONTINUED
0008 00
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
1.
Check blade float fuse (10A).
Replace fuse if blown (WP 0096 00). If
28. Blade Float Limit Switch
Does Not Operate (CCE
the problem still exists, go to Test 2.
Machine).
2.
Test continuity of blade float limit
If multimeter indicates no reading, circuit
switch. Connect one lead of
does not have continuity. Replace blade
multimeter to switch and one lead to
float limit switch (WP 0093 00).
ground.
Check air pressure gauge for proper
Replace air pressure switch if damaged or
29. Air Pressure Switch Is Not
Operating.
reading (TM 5-3805-261-10).
defective (WP 0112 00).
1.
Check oil level in engine (TM 5-
30. Engine Oil Pressure Switch
3805-261-10).
Does Not Operate.
2.
Start engine and run for several
Replace engine oil pressure switch if oil
minutes.
pressure is not within operating range
1.
Check coolant level.
31. Coolant Temperature Switch
Does Not Operate.
2.
Start engine and run for several
Replace coolant temperature switch if
minutes.
temperature is not within operating range
Check fuel pressure with a pressure gauge
Replace fuel pressure switch if damaged
32. Fuel Pressure Switch Does
Not Operate.
of known accuracy installed in fuel line.
or defective (WP 0115 00).
Start engine and run several minutes.
If the temperature remains within normal
33. Hydraulic Oil Temperature
Switch Does Not Operate.
Operate implements until hydraulic oil
range and the alarm still sounds, replace
temperature is at normal operating
hydraulic oil temperature switch (WP
temperature.
1.
Test continuity of hourmeter switch.
If multimeter indicates no reading, circuit
34. Hour Meter Does Not
Connect one lead of multimeter to
Operate.
does not have continuity. Replace
switch and one lead to ground.
hourmeter switch (WP 0109 00). If the
problem still exists, go to Test 2.
2.
Test continuity of hourmeter.
If multimeter indicates no reading, circuit
Connect one lead of multimeter to
does not have continuity. Replace
back of gauge and one lead to ground.
hourmeter (WP 0083 00).
1.
Check windshield wiper fuse (4A).
Replace fuse if blown (WP 0097 00). If
35. Windshield Wipers Do Not
Operate (CCE Machine).
the problem still exists, go to Test 2.
2.
Test continuity of windshield wiper
If multimeter indicates no reading, circuit
switch. Connect one lead of
does not have continuity. Replace
multimeter to back of switch and one
windshield wiper switch (WP 0085 00).
lead to ground.
1.
Check lamp.
Replace lamp if defective (WP 0084 00).
36. Panel Lamp Does Not
Operate.
If the problem still exists, go to Test 2.
