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Arc Trainer
®
Shaft Replacement
Installation Instructions
Kit No. 425AK045
NOTE: This instruction sheet describes how to replace
the pivot shaft on the 425A Arc Trainer.
Tools Required
Phillips screwdriver
1/2” Open end wrench
5/32” Allen wrench
5/16” Allen wrench
Hammer & punch
Grease
1. Read and understand all instructions
thoroughly before installing this kit.
2. Verify kit contents. See Figure 1.
A.
Shaft, (1), 425A-216
B.
BHSCS .250-20 X .75, (1), JC620415
C.
BHSCS .500-13 X 1.25, (1), JC780420
D.
Washer SAE .500, (1), HS387700
E.
Nylon locknut .250-20, (1),HN625200
F.
Loctite, (1), YA000201
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•
•
•
•
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Figure 1
3. Disconnect the external power source.
A.
Unplug the power cord from the power outlet.
B
A
C
D
E
F
B.
Remove top cover.
6. Remove upper side covers.
A.
Using a Phillips screwdriver, remove the
screw securing each of the upper side
covers. See
Figure
4.
Figure 2
Screws
(4)
Front
Cover
Figure 3
Screw
4. Remove the front cover.
A.
Using a Phillips screwdriver, remove the
four screws securing the front cover.
See Figure 2.
B.
Remove front cover.
5. Remove top cover.
A.
Using a Phillips screwdriver, remove the
screw securing the top cover. See Figure 3.
! WARNING: Disconnect the power cord before
continuing this procedure. Keep wet
items away from inside parts of the
unit. Electrical shock could occur
even if the unit is unplugged.
Top
Cover
Summary of Contents for Arc Trainer 425A
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