PHW/PHWS SERIES PRESSURE WASHER
OPERATOR’S MANUAL
34
PROBLEM
POSSIBLE CAUSE
SOLUTION
PRESENCE OF WATER
IN OIL
Oil seal worn
Check and replace if necessary.
High humidity in air
Check and change oil twice as often.
Piston packing worn
Check and replace if necessary.
WATER DRIPPING
FROM UNDER PUMP
Piston packing worn
Check and replace if necessary.
O.R. Plunger retainer worn
Check and replace if necessary.
Cracked ceramics
Check and replace if necessary.
OIL DRIPPING
Oil seal worn
Check and replace if necessary.
Cracked manifold
Check and replace if necessary.
WON'T AUTOSTART
Unloader microswitch faulty
Jumper positions "C" and "6" on the timer together.
If motor starts, replace unloader.
Timer faulty
Jumper wire positions "C" and "NO" together. If
motor starts, replace timer.
WON'T TIMEOUT
Unloader microswitch faulty
Check microswitch wires for continuity with spray
gun closed (water flowing). No continuity with
spray gun open (by-pass mode). Replace if
necessary.
Timer faulty
Jumper positions "C" and"6" on timer together.
Machine runs. Remove jumper wire. Machine will
shut-off in 15 seconds. If not, replace timer.
TROUBLESHOOTING