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26 308-548
Motor
WARNING
INJECTION
HAZARD
T
o reduce the risk of serious injury
,
whenever you are instructed to relieve
pressure, follow the
Pressure Relief
Procedure
on page 9.
NOTE:
See Fig. 26 except where noted.
1.
Relieve pressure.
2. T
ry to stop the pump with the piston rod (107) in its
lowest position. T
o lower the piston rod manually
,
rotate the motor fan blades. Use a screwdriver to
push the retaining spring (18) up and push out the
pin (17). See Fig. 24.
3.
Remove the screws (56) and lower the junction
box (59). Disconnect the motor wires and the pres
-
sure control wire (A) from the motor start board.
Refer to Fig. 27 on page 27.
4.
Remove the front cover (13).
5. T
urn the displacement pump rod (107) so the pin
hole aligns with the bottom drive housing screw
(19). See Fig. 25. Remove the three drive housing
screws and lockwashers (19,6). Also see Fig. 26.
6.
Remove the two motor screws (19) and and re
-
move the sprayer handle (24).
7. T
ap the lower rear of the drive housing (1
1) with a
plastic mallet to loosen the motor
. Pull the drive
housing straight off the motor while guiding the
harness (A) from the motor
. Do not allow the gear
(16) to fall. Read the CAUTION on page 28.
8.
Remove the two screws (46) and lift the motor of
f
the base (66).
9.
Align the new motor with the base and reinstall the
screws (46).
10.
Assemble the drive housing to the motor
. Follow
steps 8 to 1
1 on page 28.
11.
Connect the wires in the junction box. Refer to Fig.
27 on page 27. Install the junction box.
12.
Connect the piston rod (107) to the drive housing;
see page 22,
Installing the Pump
, Step 2 and the
W
ARNING following it.
17
18
15
Fig. 24
01068
107
19,6
Fig. 25
01074
19
1
6
13
34
31
59
56
12
16
11
24
19
46
B
C
Fig. 26
A
1
Torque
to 80 in–lb (9 N.m)
1
3
2
Quantity of three
Quantity of one
3
2
04656
4