16
Unit angles very slowly Hydraulic fluid level low See Maintenance section
Crossover relief valve sticking or stuck Refer to dealer
Crossover relief valve pressure setting too low Refer to dealer
Improper oil viscosity for outside air temperature,
unit not at normal operating temperature
See Maintenance section
Spool valve sticking or stuck Refer to dealer
Damaged cylinder Refer to dealer
Cylinder packing improperly torqued or dry Refer to dealer
Unit angles in one
direction only
Spool valve sticking or stuck Refer to dealer
Crossover relief valve sticking or stuck Refer to dealer
Angle solenoid coil inoperative Refer to dealer
Low or no current available at angle solenoid Refer to dealer
Crossover relief valve pressure setting too low Refer to dealer
Angle cylinder binding Refer to dealer
Unit does not hold
angle.
Note: This problem is
usually noted when
pushing snow or when
plow is being
transported.
Crossover relief valve pressure setting too low Refer to dealer
Crossover relief valve sticking or stuck Refer to dealer
Spool valve sticking or stuck Refer to dealer
Fluid leaking at pump
assembly
Hydraulic fittings not torqued properly (too tight,
too loose)
Refer to dealer
0-rings between valve block and endhead are
worn/missing or not seating properly
Refer to dealer
0-rings between endhead and reservoir worn or
not seating properly
Refer to dealer
Reservoir over-full See Maintenance section
0-ring on solenoid adaptor plate damaged Refer to dealer
Endhead cracked Refer to dealer
Valve body cracked Refer to dealer
Pump shaft seal leaking Refer to dealer
Drain plug loose/ over torqued fracturing
reservoir
Refer to dealer
Lower valve O-ring leaking Refer to dealer
U-valve mounting Cap Screws loose Refer to dealer
Reservoir fasteners loose Refer to dealer
TROUBLESHOOTING
PROBLEM PROBABLE CAUSE CORRECTIVE ACTION
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