Replacing the Cooler and Blower
1. Follow
the
Pressure Relief Procedure W
arning
on
page
1
1.
Let the hydraulic system cool before begin
-
ning
the service procedure.
2. Remove the hydraulic pump as instructed in the
previous
section.
3. Disconnect
the cooler to reservoir return hose (7.) by
loosening
the hose clamp (8). See Fig 12.
4. Remove
the cooler capscrews
(49) and lockwashers
(66).
See Fig 12.
5.
Remove the fan guard (23). See Fig 12.
6.
Pull the cooler (1
15) straight out.
7. Inspect
the rubber pad (1
16) for wear and replace if
necessary
. See Fig 13.
8. Inspect
the blower wheel (1
14) for wear
. See Fig
12.
If
it needs to be replaced, follow Steps 8a–8e.
a. Unscrew the setscrews (108) from the engine
half of the coupler (109). Unscrew the blower
setscrews
(B). See Fig 13.
b. Remove the capscrews (112) and lockwashers
(113) holding the pump support (1 17) to the
engine
and pull the support of
f. See Fig 12.
c. Pull
the pump support and blower of
f far enough
for the blower to fall out of the bottom of the
housing.
d. Install a new blower. Secure the pump support
(117)
to the engine. See Fig 12.
e. Check Dimension A as shown in Fig 13 and
tighten the coupler setscrews (108). Butt the
blower hub up to the coupler half, keeping the
blower
in full contact with the coupler
, and tighten
the
blower setscrews (B).
CAUTION
The correct coupling dimension is critical to avoid
improper coupler engagement to the coupler
spider
which will damage the coupler and make the
sprayer
inoperable.
9.
Install the cooler
.
10. Fold
the
flaps of the pad (1
16) toward the cooler fins
and install the fan guard (23), capscrews (49) and
lockwashers
(66). See Fig 12.
11. Reinstall the hydraulic pump and reconnect all
hoses.
A
Fig
13
116
108
109
107
117
23
115
108
ENGINE
DIMENSION A
1.310” +/– 0.010
(33.274 mm +/– –0.254)
TOP VIEW
A
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