TM 5-3805-262-20
3-25. HYDRAULIC SYSTEM TROUBLESHOOTING (CONT)
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
5. BUCKET HEIGHT CONTROL NOT OPERATING PROPERLY (Cont).
Step 6.
Connect multimeter between control valve assembly connector pins A
and B, and then pins B and C.
Multimeter should indicate 55 ohms.
a. If multimeter indication is not 55 ohms, notify next higher
maintenance level to replace control valve assembly (solenoid is
open and must be replaced).
b. If multimeter indication is 55 ohms, go to step 7 below.
Step 7.
Check brown-white wire between
wiring harness connector and
height control switch white wire
for an open circuit condition.
a . I f w i r e i s o p e n , r e p l a c e it
(page 5-70).
b. If wire is okay, check black
wire between height control
switch and chassis frame for
open circuit condition.
Replace if open (page 5-70).
If wire is okay, replace
height control switch (page
5-69).
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