BEARING HOUSING
&
CONNECTING
ROD
REPLACEMENT
Before doing this procedure, WARNING follow
-1
the
Pressure
DO
NOT
use
the bearing cAuTIoN-1 housing screws (33) to
try
the risk of a fluid injection injury, splashing in the
Relief
Procedure
Warning
on
page 21 to reduce
to
align or seat the bearing housing; the bearing and
drive housing will not align properly and will result in
eyes or in the skin, injury from moving parts or
elec- premature bearing wear.
tric shock. Be sure to unplug the sprayer!
Refer
to
Fig
30
-
1
for Steps
7
to
74.
NOTE: Stop the sprayer at the bottom of its stroke
to
get
the crank
(E)
in its lowest Dosition. If the crank
1.
2.
3.
4.
5.
6.
7.
8.
9.
10
must be lowered manually, carefully rotate the
blades of the fan with a screwdriver.
Remove the front cover and screws (31, 32).
If
the crank
(E)
must be lowered manually, carefully
rotate the blades of the fan with a screwdriver.
ing a wrench
on
the pump intake valve
to
keep the
Unscrew the suction tube (42) from the
pum6,'hold-
pump from loosening.
placement pump outlet nipple (46).
Disconnect the pump outlet hose (47) from the
dis-
~ ~ ~ ~~ ~~
Use a screwdriver to push aside the retaining spring
(35) at the top of the pump. Push the pin (20) out the
rear.
Loosen the jam nut (38) with an adjustable wrench.
Unscrew and remove the displacement pump.
Use a
5
mm hex key wrench to remove the four
screws (33) and lockwashers (49) from the bearing
housing (27).
Lightly tap the lower rear of the bearing housing (27)
with a plastic mallet to loosen it from the drive
hous-
necting rod assembly (3) straight
off
the drive hous
-
ing (2). Then pull the bearing housing and the con
-
ing.
Inspect the crank
(E)
for excessive wear and replace
parts as needed.
Evenly lubricate the inside of the bronze bearing in
the bearing housing with high quality motor oil. Liber
-
ally pack the roller bearing in the connecting rod as
-
sembly (3) with bearing grease.
14. Install the screws (33) and lockwashers
(49)
on the
procedure continued
on
page
3
7
bearing housing and tighten evenly
to
13
-
16 N.m.
FILL
CAVITY
WITH
42
11. Assemble the connecting rod and bearing housing
(27).
12. Clean the mating surfaces of
the
bearing and drive
housings.
W
13. Align the connecting rod with the crank (E) and care-
the holes in the bearing housing (27). Push the bear-
fully align the locating pins in the drive housing with
with
a
plastic mallet.
ing housing
onto
the drive housing or tap
it
into place
Fig
3CL1
30
307470
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