13
Maintenance
WARNING: Unauthorized machine modification or
use of non-approved replacement parts may cause
personal injury and/or property damage and will
void the manufacturer warranty.
Pump
Use Hotsy Pump Oil (8.914-527.0) for pump crank-
case. Crankcase must be filled to the full mark on the
dipstick or to center of sight glass window found on the
rear of the pump. During the break-in-period, make
sure the oil is changed after the first 25 hours of opera-
tion. After that, replace oil every 3 months or 300 hours
of operation, whichever comes first.
Proper Pump Care:
•
Do not pump acids.
•
Do not allow pump to run dry.
•
Winterize if storing in freezing temperatures;
refer to
Storage
for details.
•
Use a water softener on the water system if
known to be high in mineral content.
•
Use only high quality detergents and follow
manu-facturer’s mix recommendations.
•
Flush the system with clear water immediately
after using detergent solutions.
•
Clean filter screen on detergent inlet line peri-
odically.
•
Flush the pressure washer system with anti-
freeze if storing for an extended period of time;
refer to
Storage
for details.
Pump Motor
On a yearly basis, oil pump motor per instructions on
motor nameplate.
NOTE: Some motors may be equipped with perma-
nently lubricated bearings and will not require addi-
tional lubrication.
Unloader Valve
WARNING: The unloader valve on this pressure
washer has been factory set and sealed and is a
field nonadjustable part. Tampering with the
factory setting may cause personal injury and/or
property damage, and will void the manufacturer
warranty.
HOTSY • CWC OPERATOR’S MANUAL • 9.801-695.0-B
Dip
s
tick
Sight Gla
ss
(on Rear of Pump)
Oil Fill