
6
TROUBLESHOOTING GUIDE
Introduction
Whenever service is necessary, your local Sno-Way
Dealer knows your plow best and is interested in your
complete satisfaction. Return your V-Plow to your local
Dealer for maintenance service or any other assistance
you may require. If you are unable to do so, this
Troubleshooting Guide should help you determine the
problem. Before attempting the servicing of your plow,
you should possess good mechanical abilities and a total
understanding of the mechanism.
PLEASE: Before calling parts and service personnel be
certain that:
1. You have read this manual carefully and are certain
that all of the suggestions pertaining to your problem
have been attempted.
2. You should have the following information available.
A. Date Snow Plow was originally installed.
B. Main Frame Serial Number.
C. Blade Model Number.
D. Blade Serial Number.
This information should be recorded on page 2 of this
Manual.
General Quick Reference
1. Check oil level in hydraulic system reservoir.
2. Check for external leakage at cylinders, hoses and
power unit.
CAUTION
First read all warning instruction, the safety
messages, and directions before attempting any
adjustments or repairs to your unit!
TROUBLESHOOTING CHART
NOTE: Make sure all electrical connections are correct, that wires are not frayed or corroded before consulting the
following chart:
PROBLEM
PROBABLE CAUSE
Left wing extends and retracts, Right
wing does not move as intended.
The valve S1 is stuck open
Check switch for electrical shorts. Switch may be stuck “On” for the S1 valve
Right wing extends and retracts, Left
wing does not move as intended
The valve S2 is stuck shut
Check switch for electrical shorts. Switch may be stuck “On” for the S2 valve
Wings do not move
Both coils are "ON" (or both valves are internally stuck shut)
Both wings extend together, but
individual left and right functions
are not possible
No power going to the valves.
• The electrical connection to the remote switch is not connected
• The valves coils have become disconnected
Both wings retract together, but
individual left and right functions
are not possibleonly
No power going to the valves
•The electrical connection to the remote switch is not connected
•The valves coils have become disconnected
Retract rate is slower than extend
rate
Flow to block is not very high: Increase the engine speed
Wings will not retract - Extend only,
but not retract
One of the auxilliarly power lines is disconnected
Wings will not collaspe when hitting
an object
Case drain line disconnected
When wings hits an object the other
wing extends
Case drain line disconnected
FOR ANY OTHER ISSUE, CHECK WITH YOUR SNO-WAY DEALER