20
PARTS LISTS & EXPLODED VIEW
GEAR HOUSING
KEY
DESCRIPTION
QTY.
PART NO.
1
SHCS, 1/4-20 x 3/4
3
009041
2
Gear Housing Cover
1
020623
3
O-Ring
1
008546
4
Needle Bearing
1
008549
5
Truarc #5008-75
1
008547
6
Feedwheel Shaft
1
006585
7
Worm Wheel
1
023561
8
Wheel Bearing
2
006563
9
Gear Housing Bushing
1
006581
10
O-Ring
1
006594
11
Gear Housing
1
023564
12
Lock Screw
1
008581
13
Roll Pin 5/64 x 7/16
1
008582
or Cotter pin, 1/16 x 5/8
1
181482
14
Needle Bearing
1
008751
15
Thrust Bearing
1
023754
16
Worm Assembly
1
023563
17
Spacer Ring
1
008534
18
Idler Gear Assembly
3
008815
19
Ring Gear
1
008524
20
Washer
1
008536
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When ordering parts show tool model, part number and name.
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Common hardware parts may be obtained from local hardware suppliers.
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All recommended spare parts are underlined and should be stocked.
GEAR HOUSING DISASSEMBLY & REASSEMBLY
1.
Remove the washer (20) the ring gear (19) and the idler gear assembly (18).
2.
Remove the roll pin (13) and loosen the lock screw (12) to permit removal of the spacer ring
(17).
3.
Remove the worm assembly (16). Note that the thrust bearing (15) must be reinstalled with the
heavy side of the outer race positioned as shown.
4.
Remove the three gear housing cover mounting screws (1), then remove the housing cover (2).
Withdraw the feedwheel shaft (6) and the worm wheel (7). Note that the worm wheel (7) must
be reinstalled with the letter "E" positioned as shown.
5.
Parts and housing must be free of metallic particles. Clean as required and regrease using
non-fluid oil K-55. Reassembly gear housing by reversing above instructions. Fill gear housing
to approximately 1/2 full.
6.
When reassembled, check gearing for freeness by turning worm assembly (16) clockwise
before attaching air motor.
Summary of Contents for AMPT-12
Page 15: ...15...
Page 16: ...16 Apply one drop of Loctite 242 Sealant to cleaned parts Allow 12 hours to set if possible...
Page 21: ...21...