Lit. No. 27366, Rev. 01 February 15, 2008
71
TROUBLESHOOTING GUIDE
ACTION REQUESTED SNOWPLOW REACTION SUSPECT COMPONENT
• F1 Fuse on Harness C
Raise
• S8 Coil
• S1 Cartridge Valve
Left wing extends, then wing drifts back
• S6 Cartridge Valve
Left wing extends, then blade raises • S2 Cartridge Valve
• F2 Fuse on Harness B
None
• Motor Relay
Motor runs, but blade does not move (freewheeling) • S5 Cartridge Valve
• F2 Fuse on Harness C
• S4 Coil
Left Extend
Motor runs, but blade does not move (runs on relief)
• S7 Coil
• F1 Fuse on Harness C
Raise
• S8 Coil
• F2 Fuse on Harness B
None
• Motor Relay
• S5 Cartridge Valve
Motor runs, but blade does not move (freewheeling)
• S7 Cartridge Valve
• F1 Fuse on Harness B
• F2 Fuse on Harness C
• S1 Coil
• S4 Coil
Left Retract
Motor runs, but blade does not move (runs on relief)
• S6 Coil
HYDRAULIC SYSTEM TESTING