Pinion Housing - Graco GM 3000 Instructions-Parts List Manual

Pinion Housing
Repairing the Pinion
(Fig.
13)
NOTE:
Use a hydraulic press if you purchase the pin-
223-189, which includes the shaft and bearings
ion parts individually. Otherwise, use Repair Kit
No.
pre-assembled and lubricated.
If
using Repair Kit 223-1 89, follow Steps 1 to 7, below.
1.
2.
3.
4.
5.
6.
7.
Remove the small ring (2j) from the hub (2h) and
the large ring (2k) from the bearing recess of the
housing (2a).
Push on front of the shaft (2f) to force the bearing
and hub assembly out of the housing (2a).
out of the pinion housing (2a). Remove the new
Press
the
small bearing (2n) and roller clutch (2m)
bearing and roller clutch from the shaft of the kit
and press it into the housing to the dimension
face bearing (2n). See Detail A.
shown. Directional arrow of roller clutch (2m) must
Inspect O-ring (2p) and replace if necessary.
Install the shaft assembly, pushing it to the shoul-
der
of
the housing (2a).
Install rings (2k and 2j). Ring (2k) must be installed
with bevel facing back of pinion housing.
Go to Reassembly, page 29, Step 7 , or continue
on page 24.
If
you purchased parts separately, follow steps 1 to
9, below. Disassemble only as far as needed for the
parts being replaced.
NOTE:.
The old bearing (29) will be damaged as it is
removed. Have one on hand if you need to remove it
for any reason. Always replace bearing 29 if installing
a new hub 2h.
1.
2.
24
To replace small bearing (2n) or roller clutch (2m),
press the old one out of the pinion housing (2a).
Remove the small ring (2j) from the hub (2h). Re-
move the snap ring (2k) from the bearing recess
of the housing (2a).
308-620
KEY
A Round steel bar to
ush on shaft
(21)
C Steel bar stock
D
Two steel blocks
E
Press platform
29
A
B R ydraulic press
Fig. 14
3.
4.
5.
6.
7.
8.
9 .
Push on the front of the shaft
(2f)
to force the
(..
bearing and hub assembly out of the housing
(2a).
bar stock on the inner race of the large bearing
Using
a hydrauk press, place pieces of steel
(2s) and press the shaft through the hub and
bearing. See Fig. 14.
Apply lubricant to the parts as shown in Fig. 13.
Press fit the following parts:
Small bearing (2n) and then the roller clutch
( 2 1 7 1 ) .
yith
the directional arrow facino the
See Detail A in Fig.
13.
small bearing, into the rear of the housing (2a).
Large bearing (29) to shoulder of shaft (2f).
Hub (2h) onto the shaft (2f) all the way to the
large bearing (29).
Install the shalt assembly, pushing it to the shoul-
der of the housing (2a).
Install the rings (2k and 2j).
Skip ahead to Reassembly, page 29, Step 6, or
continue on page 25.