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Parts List & Operating Instructions
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Air can accumulate within a hydraulic system during shipment, or if the automatic transmission fluid (ATF) supply runs too
low. This entrapped air causes the jack to respond slowly or feel "spongy." The following procedure bleeds air from the
system.
1. Remove the jack from service, and place it on a level surface.
2. Open the release valve by turning the handle all the way counterclockwise (CCW).
3. Pump the handle six full strokes.
4. Close the release valve by turning the handle all the way clockwise (CW).
5. Pump the handle until the lift arm is fully extended.
6. Lower the lift arm by turning the handle all the way counterclockwise (CCW).
7. Test the jack for normal operation. If the lift pad doesn't rise to the correct height, repeat Steps 2-6. If this doesn't solve
the problem, call the OTC Technical Services Dept. at (800) 533-6127.
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6, 7, 8
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Bleeding Air from the System
Form No. 106447, sheet 1 of 2, back
No. 501795 Hydraulic Assembly
Item
No.
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2
3
4
5
6
7
8
9
10
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22
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10
19
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Parts marked with an asterisk (
Seal Kit No. 501816.
Parts marked with a triangle (
Pump Release Valve Repair Kit No. 501235.
Part
No.
Qty.
Description
501352
1
Rod Assembly
j
501351
1
Retaining Ring
j
501299
1
Retaining Ring
j
10913
1
O-ring
j
501807
1
U-cup Packing
js
10442
1
Washer
js
501804
1
Ball Seat Screw
(torque to 120 in.•lbs.)
js
12223
1
Ball
js
10268
1
O-ring
js
501398
1
Pump Release Valve
501354
1
Pump Rod
501806
1
Retaining Ring
501403
1
Spring Retainer
13938
1
Spring
j
501397
1
U-cup
501355
1
Pump Tube
(torque to 75 ft.•lbs.)
j
501400
1
Crush Washer
j
221271
1
Wear Ring
j
501298
1
Wear Ring
j
14739
1
O-ring
501300
1
Gland
221278
1
Plug
s
(not shown)
j
) are included in
) are included in
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