DeVillbiss Air Power Company D28921, WD1600E Problem, Possible Cause, Correction, Eng

PROBLEM	POSSIBLE CAUSE	CORRECTION
Water or oil leaking	A small amount of leakage is	If excessive leaking occurs call
from bottom of pump	normal	Customer Service Department
Pressure increases	Bypass valve not operating	Call Customer Service Department
when gun is closed	properly
Motor running but	Faucet closed	Open faucet
pump not building	Unit has been stored in freezing	Thaw out unit completely including
maximum pressure or
	temperatures	hose, gun, and wand
has irregular pressure
	Water inlet screen clogged	Clean screen. See section 5.4
	Air in pump	Let pressure washer run with gun
		open and wand removed until
		steady stream of water is released.
	Adjustable pressure knob not	Set to maximum position. See
	set to maximum position	Section 4.2
	Suction or discharge valves	Call Customer Service Department
	clogged or worn out
	By-pass valve not operating	Call Customer Service Department
	effectively
No intake of chemicals	Injection tube not securely	Push firmly into machine
	inserted into pressure washer
	Tube cracked or split	Replace tubing
	Wrong Nozzle setting	Switch nozzle to low pressure
	Nozzle Blocked	Clean Nozzle. See Section 5.2
	Injection tube strainer clogged	Clean strainer
	Dried chemicals in injector	Dissolve by running warm water
		through the injection tube
Trigger will not move	Gun safety lock engaged	Release safety lock

17- ENG D28921