Boss Snowplow MSC08042C Owner's Manual page 88

Troubleshooting Guide
PROBLEM
4. Plow will not raise or raises
slowly.
DIAGNOSTIC CHECK
Check hydraulic fluid level.
Check power/ground cables
and control cable are
connected properly.
Check wiring on valve block
for proper connections.
Load test battery.
Check pressure at pressure
port of pump.
Check LIFT Solenoid Valve.
89
RESULT
Hydraulic fluid level should be
within ¾" from top of reservoir
when lowered and in the V-
position.
Connect.
Refer to the manifold wiring
diagram in this manual.
Replace battery if weak or
defective.
If pressure is less than 2500
psi (at end of lift). Motor
brushes may be defective,
pump pressure relief valve
may be contaminated,
damaged, or set less than
2500 psi, pump may be worn.
Lift solenoid valve not opening
completely. Replace.