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S3.19 Assembly and Maintenance Guide
page 12
1 2 3 4 5 6
3. Install Rollers and Seat Pads
A. Attach the top roller pads using
one ½-inch x 3½-inch threaded shaft
two ½-inch zinc bolts
two zinc flat washers
Wrench tighten using the 5mm hex key.
B. Attach the two Leg Extension Brackets using
four ¾-inch zinc countersunk hex head bolts.
C. Install the 4½-inch threaded shaft support to the
Leg Extension Bracket using
two ¾-inch zinc countersunk hex head bolts
Wrench tighten using the 5mm hex key.
Note: Tighten the threaded shaft support fasteners
before wrench tightening the Leg Extension Bracket
fasteners.
D. Slide a 1-inch Spacer, Plastic Washer, and a Roller
Pad onto one end of a Roller Pad Rod. Insert one
Mushroom Cap to plug the end hole. If necessary,
pound the Mushroom Cap in place using the rubber
mallet.
E. Insert the Roller Pad Rod through the hole in the
Leg Extension Arm.
F. Slide the remaining 1-inch Spacer, Plastic Washer,
and Roller Pad on the other end of the Roller Pad
Rod. Insert one Mushroom Cap to plug the end
hole. If necessary, pound the Mushroom Cap in
place using the rubber mallet.
Step 3. Install Rollers and Seat Pads
C
Roller Pad
Plastic Washer
D
Roller
Pad Rod
Mushroom Cap
E
B
4 - ¾" zinc
countersunk bolts
A
1 - threaded shaft
support
2 - ¾" zinc
countersunk bolts
1" spacer
1 - ½" threaded shaft
2 - ½" zinc bolts
2 - zinc washers
F