Lit. No. 27366, Rev. 01 February 15, 2008
70
TROUBLESHOOTING GUIDE
ACTION REQUESTED SNOWPLOW REACTION SUSPECT COMPONENT
Right retract • F2 Fuse on Harness C
• F1 Fuse on Harness C
Lower
• S8 Coil
Left extend / PS ram does not extend • S11 Coil
• F2 Fuse on Harness C
• S4 Coil
Right extend / DS ram does not extend (w/ or w/o Raise)
• S7 Coil
• F2 Fuse on Harness B
None
• Motor Relay
• S5 Cartridge Valve
Scoop
Motor runs, but blade does not move (freewheeling)
• S9 Cartridge Valve
• F1 Fuse on Harness C
Lower
• S8 Coil
Left retract / DS ram does not retract • S10 Coil
• S4 Coil
Right retract / PS ram does not retract
• S6 Coil
• F1 Fuse on Harness B
• F2 Fuse on Harness B
• S1 Coil
None
• Motor Relay
• S5 Cartridge Valve
• S7 Cartridge Valve
• S8 Cartridge Valve
Retract
(Vee)
Motor runs, but blade does not move (freewheeling)
• S11 Cartridge Valve
HYDRAULIC SYSTEM TESTING