Blue Diamond EXTREME DUTY SNOW BLOWER 68, Operation And Maintenance Manual, Page: 46 / 70

46
Extreme Duty Snow Blower Operation and Maintenance Manual
Maintenance
Snow Blower Poor Performance.
The hose from the pump to the
motor is crimped or pinched.
Check for pinched areas and
straighten the hose to allow fluid
to flow freely.
Solenoid valves may not be
opening completely as a result
from debris in the valve.
Remove the cartridge valves and
soak in a petroleum based solvent
to remove the build up. Clean
cartridge valves with an air hose to
finish removing any build up. See
[Figure 18]
.
The hydraulic fluid may be low. Check the hydraulic oil level.
Solenoid valves may not be
operating with correct input
voltage.
Check for 12V signal at valve coils.
Engine RPM too slow. Raise engine RPM.
Machine’s adjustable auxiliary flow
rates are too low.
Adjust the machine’s auxiliary flow
rates to match snow blower rating.
Adjust the machine to 3000 psi
(max) pressure. Enable machine
high performance mode setting
(engine speed max rpm).
Excess return back pressure.
Service the machine return
hydraulics system.
Snow blower is plugged.
Overloading snow blower.
Reduce travel speed. Reduce cut
width.
Stopping auger or fan.
Remove blower from snow before
stopping auger and fan. Reverse
direction without using lift arms to
remove snow blower from snow.
Using machine lift arms while
running snow blower.
Reverse direction to remove snow
blower from snow before adjusting
blower working height.
Fan hits housing.
Fan is damaged. Repair or replace fan paddles.
Fan housing is damaged. Repair or replace fan housing.
Fan Motor mount bolts are loose
Check fan motor mount bolts,
tighten or replace as needed.
PROBLEM CAUSE SOLUTION