Sheyenne tooling & Mfg 500CT, Operator'S Manual

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PROBLEM CAUSE SOLUTION
Snow blower
does not run
Flow control installed backwards
Ensure arrow on flow control is pointing
toward pump suction; on variable flow units
the out port faces pump suction
PTO not engaged Engage PTO
Hydraulic system
overheating
Restriction in supply or drain line
Remove blockage and/or install larger
diameter hose and fittings
Faulty flow control valve Repair or replace
Plugged oil filter Repair or replace
Incorrect flow control or orifice Replace with correct one
Supply oil was taken from incorrect
location See installation instructions for correct
location to take supply oil from tractor
Faulty relief valve
Ensure relief valve does not open until system
pressure is 3500 psi
Poor
performance of
snow blower
Worn pump or motor
Measure flow at pump or motor when oil is
warm and when oil is hot. Flow should not be
reduced by more than 1-5% when hot and
under load.
Incorrect size of pump. Motor on
tractor should pull down as blower is
placed under load
Install correct pump
Incorrect installation of hoses and/or
hydraulic components See installation instructions for correct
location
Impeller blades are bent Repair or replace
HYDRAULIC SYSTEM TROUBLESHOOTING GUIDE
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