Graco LineLazer GM 3500 Manuel D'instructions page 84

DETAIL A
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138p
CUTAWAY VIEW OF PINION
HOUSING (138p)
Fig. 31
If you purchased parts separately, use the following in-
structions. Disassemble only as far as needed for the
parts being replaced.
NOTE: The old bearings (138c and 138d) 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 (138e) from the hub (138j).
2. Remove the snap ring (138m) from the bearing
recess of the pinion housing (138p).
3. Push on the front of the shaft (138b) to force the
bearing and hub assembly out of the housing
(138p)
Round steel bar to
push on shaft (138b)
Large bearing
Hub 138d
Steel bar stock
Two steel blocks
Hydraulic press
Press platform
PLACEMENT OF STEEL BLOCKS AND BAR
STOCK WHEN PRESSING OFF LARGE BEARING
Fig. 32
Pinion Housing
Back of pinion housing
Press fit small bearing (138c) and roller clutch (138g) in here
Lubricate exterior
Lubricate inner and outer diameters
Lubricate teeth
138h
138j
138k
138f
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138m
138a
138n
138c
4. Using a hydraulic press, place pieces of steel
bar stock on the inner race of the large bearing
(138d) and press the shaft through the hub and
bearing. See Fig. 31.
5. Apply lubricant to the parts as shown in Fig. 31.
The arrow on the roller clutch (138g) must point
toward the small bearing (138c) for the shaft (138b)
to rotate in the right direction.
6. Press fit the following parts:
Large bearing (138d) to the shoulder of the shaft
(138b).
Small bearing (138c) to the shoulder of the shaft
(138b).
Hub (1138f) onto the shaft (138b) all the way to
the large bearing (138d).
7. Install the shaft assembly (138a), pushing it to the
shoulder of the housing (138p).
8. Install the rings (138e and 138m).
9. Skip ahead to Reassembly, page 38, Step 7, or
continue on the next page.
138f
138d
138b
138g
CAUTION
138e
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