Graco Ultra 1000, Инструкция и перечень запасных частей

Страница: 34 / 48

34
307-785
Motor Replacement
WARNING
To reduce the risk of a serious injury, follow the
Pressure Relief Procedure on page 4 whenever
you are instructed to relieve the pressure.
NOTE: Refer to Fig. 27 for this procedure, except
where noted otherwise.
1. Relieve the pressure.
2. Remove the shield (59).
3. Remove the cover (63) from the pressure control.
Disconnect the four motor leads (A). See Fig. 25.
Fig. 25
AC1
AC2 G1
G2
_
+
A
4. Loosen the nut (345) at the pressure control (75).
5. Swing the conduit (1) away from the elbow (31).
6. Remove the seal (29) from around the elbow com-
ing into the pressure control. Pull the electrical
leads through the elbow, one at a time.
CAUTION
Always pull the motor leads one at a time to avoid
loosening the terminals, which could result in a bad
connection and poor sprayer performance.
7. Loosen the nut (31) at the motor. Pull the conduit
(1) away from the motor. Pull the electrical leads
through the conduit, one at a time.
8. Unscrew the elbow from the motor.
9. Pull the wires through the elbow, one at a time.
10. Remove the cover (49) from the drive housing.
11. Remove the two screws (26).
12. Remove the two lower screws (13) and then
remove the two upper screws (16) from the front of
the motor (73).
13. Tap the drive housing (67) with a plastic mallet to
loosen it from the front of the motor (73). Pull the
drive housing straight off of the motor.
CAUTION
Do not drop the gear (51) when removing the drive
housing (67). The gear may stay engaged in the
front of the motor or the drive housing.
Do not lose the balls (9) which are located at each
end of the gear (51). Do not drop the balls between
the gears. The balls, which are heavily covered
with grease, usually stay in place, but could be dis-
lodged. If the balls fall into the gears and are not
removed, the balls will seriously damage the drive
housing. If the balls are not in place, the bearings
will wear prematurely.
14. Support the motor (75) to keep the sprayer from
tipping. Remove the four screws (8). Lift off the
motor.