© Motor City Wash Works, Inc. 48285 Frank, Wixom Michigan 48393 U.S.A.
Phone: 248.313.0272 ▪ Fax: 248. 313.0271
8MANULHYDDOC0004 REV 1.0
www.motorcitywashworks.com
14
Possible Problems/Remedies
Equipment:
Problem:
Remedy:
Hydraulic Power Unit Low output pressure. Check filter/indicator.
Ensure gauge
isolation valve is
open.
Ensure pump
pressure is set to
900PSI.
Hydraulic Power Unit Motor not energizing. Check incoming
power is present at
motor control.
Ensure no tripped
breakers, overloads
or fault for motor
controls.
Check appropriate
power is present at
motor junction box.
Hydraulic Power Unit Power unit sounds
abnormal.
Ensure fluid tank is
full.
Ensure motor is wired
correctly for voltage
being applied.
Ensure pump rotation
is correct.
Ensure pump is
primed.
