REPLACING THE DRIVE ASSEMBLY
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
Pressure Relief Procedure Warning on page 16
before checking, adjusting, cleaning or shutting off
the sprayer.
Unplug the power supply cord.
WARNING
NOTE: Refer to Fig 21–1 for this procedure.
1.
Remove the front cover (35). Remove the displace-
ment pump. See page 18.
2.
Remove the two screws (20). Pull the connecting rod
and bearing assembly (C) off the crankshaft (D).
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 (23).
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 off 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.
Fig 21–1
27
55f
55e
55b
55c
55d
55a
B
A
D
C
20
E
LUBRICATE AS
EXPLAINED IN STEP 5
0674
18
113
19
35
37
23
55d
55a
UPRIGHT SPRAYER
LO-BOY SPRAYER
Summary of Contents for 220-726
Page 35: ... NOTES ...
