Graco B Series Instructions-Parts List Manual page 21

0041
Fig. 19
If purchasing parts separately, use these instructions.
Disassemble as needed for the parts being replaced.
NOTE: Refer to Fig. 19, except where noted.
NOTE: The old bearings (19c and 19d) will be dam-
aged when removed. Have extra ones on hand if you
need to remove them for any reason.
1. Remove the small ring (19e) from the hub (19f).
2. Remove the snap ring (19m) from the bearing
recess of the pinion housing (19p).
3. Push on the front of the shaft (19b) to force the
bearing (19d) and hub (19f) assembly out of the
housing.
4. Using a hydraulic press, place pieces of steel
bar stock on the inner race of the large bearing
(19d) and press the shaft through the hub and
bearing. Then turn over the shaft and press out the
small bearing (19c). See Fig. 20.
5. Apply lubricant to the parts as shown in Fig. 19.
Pinion Housing
2
19p
3
1
19h
4
19k
19j
4
19m
19n
Cutaway view of
1
pinion housing (19p)
Back of pinion
2
housing (19p)
Press pinion assembly
3
in here
6. Press fit the following parts: large bearing (19d) to
the large shoulder of the shaft (19b); small bearing
(19d) to the shoulder of the shaft (19b); hub(19f)
onto the shaft (19b) all the way to the large bearing
(19d).
7. Install the shaft assembly, pushing it to the shoul-
der of the housing (19p).
8. Install the snap ring (19m). Install the small ring
(19e).
9. Go to Reassembly, page 27, Step 7, or continue
on page 22.
KEY
A Round steel bar to
push on shaft (19b)
B Hydraulic press
C Steel bar stock
D Two steel blocks
(only one shown)
E Press Platform
Fig. 20
19f**
19d**
5
19b**
6
19c**
5
4 Lubricate exterior
Lubricate inner and
5
outer diameters
6 Lubricate teeth
**Included in Repair Kit 221032
B
308269
19e**
0169
A
19f
19d
C
D
E
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