Graco ULTRA PLUS+ 1000 - Page 19

Motor Brush eplacement
NO=' Replace the brushes when they have worn to
less than 12 mm (1/2 in). Note that the brushes
wear differently on each side of the motor,
so
check them both. Brush Repair Kit 222-157 is
available. A new spring clip, P/N 110-816 may
be purchased separately.
5. Inspect the commutator for excessive pitting,
tator is normal. Have the commutator resurfaced
burning or gouging.
A black color on the commu-
by a qualified motor repair shop
if the brushes
seem to wear too fast.
INJECTION HAZARD
follow the illustrated Pressure Relief
To reduce the risk of serious injury,
Procedure warning on page 12 when-
ever
you are instructed to relieve pressure.
NOTE Read the GENERAL REPAIR INFORMATION on
1.
2.
page 18 before doing this procedure.
Relieve pressure.
Remove the motor shield (59). Remove the in-
spection covers
(J) and gaskets (K) on each side
of the motor. See Fig. 11.
Flg.
11 J 01224A
3. Push in the spring clip to release its hooks from
the brush holder. Pull
out the spring clip. See Fig.
12.
SPRING HOOK
BRUSH
SPRING CUP
PIN
110-816
Fig. 12
01227
4. Loosen the brush lead terminal screw. Pull the
brush lead away, leaving the motor lead terminal
in place. Remove brush and spring.
See Fig. 14.
A CAUTION
When installing the brushes, follow all steps care-
fully to avoid damaging the parts.
6. Install a new brush
so the lead is in the long slot
of the holder. See Fig. 13.
BRUSH HOLDER
Fig. 13
IN THIS DIRECTION
01227
7. Slide the terminal under the terminal screw
washer and tighten the screw. Be sure the motor
lead is still connected at the screw. See Fig.
14.
..
SPRING
SPRING CUP
BRUSH
BRUSH LEAD
TERMINAL
SCREW
/ ' MOTOR LEAD o1227
Fig. 14 TERMINAL
8. Place the spring on the brush as shown in Fig.
13.
9. Install the spring clip and push it down to hook
the short slots in the housing. See Fig. 13.
10. Repeat for the other side.
308-560 19