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WARNING
To reduce the risk of serious bodily injury, including
fluid injection or splashing in the eyes or on the skin,
or injury from moving parts, always follow the Pres-
sure Relief Procedure W arning on page 14 be-
fore checking, adjusting, cleaning or shutting off the
sprayer. Unplug the power supply cord.
NOTE: Refer to Fig 17 for this procedure.
1. Remove the displacement pump. See page 16.
2. Remove the two screws (20). Pull the connecting rod
and bearing assembly (C) off the crankshaft (D).
C
20
Fig 17
REPLACING THE DRIVE ASSEMBLY
55b
55c
A
D
55a
55d
3. Remove the screws (55d and 55f) and pull the drive
housing (A) off the motor housing (B).
4. Remove the screws (55c) and pull the motor housing
(B) off the motor.
5. Clean the gear (37) and inspect it for wear or damage.
Replace if necessary . To remove, drive out the pin
(27) and pull the gear of f the motor shaft (E). Apply
molybdenum disulfide spray lubricant to the gear, al-
low to dry , then apply industrial-grade, heavy-duty ,
extreme-pressure, lithium-soap grease.
6. Install the new drive assembly in the reverse order of
removal.
55f
E
27
55e
B
Apply molybdenum disulfide spray
lubricant; allow to dry;
then apply industrial-grade,
heavy-duty, extreme-pressure,
lithium-soap grease
55b
55c
55g
37
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