Graco 220853 Quick Start Manual

Pressure Relief Procedure

To reduce the risk of serious bodily injury including fluid injec-
tion, splashing in the eyes or on the skin, moving parts, or
electric shock always shut off, unplug sprayer, and complete-
ly relieve air and fluid pressure before changing brushes.
To relieve pressure:
Shut off power to pump, hold metal part of gun firmly to side
of grounded metal pail, and trigger gun to relieve pressure.
ENGAGE TRIGGER SAFETY LATCH. Open any fluid drain
valves. If you suspect pressure is not fully relieved, slowly
loosen tip guard retaining nut and relieve pressure gradually.

Disassembly

1. Remove motor cover, screws and washers.
Remove inspection covers, screws and gaskets from each side of motor.
2. Push in spring clip to release its hooks from brush holder. Pull out clip. See Fig 1.
3. Loosen terminal screw. Pull away brush lead, being careful motor lead terminal remains in place. Remove and dis-
card brush and spring. See Fig 2.
4. Inspect commutator for excessive pitting, burning or gouging. Black color on cummutator is normal. Have commuta-
tor resurfaced by qualified motor repair shop if brushes wear too quickly.
5. Repeat for other side.
Fig 2
FORM NO. 405819, front side
SIZE: 6" W X 7.5" L
REV: 4/2005
Border for reference only
GENUINE GRACO PARTS & ACCESSORIES
220853 Repair Kit
287737 Repair Kit
Replacement Motor Brushes
WARNING
SPRING
BRUSH
ti6759a
ti6761a
Fig 1
SPRING CLIP
BRUSH LEAD
TERMINAL SCREW
MOTOR LEAD TERMINAL
405819, Rev C, 4/2005
PRINTED IN U.S.A
GRACO INC./P.O. BOX 1441/
MINNEAPOLIS, MN 55440–1441
HOOK
BRUSH
SPRING
CLIP