Section 8: Troubleshooting
11/27/18
STB1560, STB1572, STB1584 & STB1596 Snow Trip Blade 301-493M
29
Troubleshooting Chart
Problem
Cause
Solution
Quick connect couplings do not fit
properly
Hydraulic lines are pressurized.
Relieve hydraulic pressure.
Couplings on the hydraulic hoses are the
wrong size to fit power equipment
couplers.
Replace hydraulic hose couplers with
couplers that match power equipment
couplers.
Hydraulic cylinder leaks oil
Cylinder packing is loose.
Tighten packing 1/8 of a turn.
Cylinder is defective.
Repair or replace hydraulic cylinder.
Hydraulic cylinder is sluggish or
does not work
Power equipment oil level is too low.
Add hydraulic oil to power equipment
reservoir (Do Not Overfill).
Hydraulic connection(s) leak.
Tighten or redo hydraulic connections.
Hydraulic cylinder does not hold
blade angle while plowing
Release pressure is set too low.
Have the release pressure valve adjusted
by a qualified mechanic.
Hitch is bending
Not running hitch parallel to the ground.
Level hitch.
Hydraulic cylinder holds blade
angle too rigid while plowing
Release pressure is set too high.
Have the release pressure valve adjusted
by a qualified mechanic.
Moldboard angles the opposite
direction expected
Hydraulic hoses are hooked-up wrong.
Switch quick connect couplers on the
hoses and reconnect to the power
equipment.
Low areas do not clean-up well
Power equipment arms are not set in float
mode.
Set power equipment arms to float mode.
Section 8: Troubleshooting
