Instruction Manual

Assembly Instructions
Bimba Manufacturing Company
Monee, IL 60449-0068
Telephone: [phone]
Fax: [phone]
Email: [e-mail]
www.bimba.com
Form: BMS-1004
rev. 1: EC-37790
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Double-Wall
®
Air Cylinder
Cushion Repair Instructions
K-C-
Disassembly
1) Remove 4 plate screws, retaining plate, rod wiper bushing assembly, plastic spacer, and rod seal from the
front of the cylinder.
2) Using a screw driver, remove the front retaining ring.
3) Pull rod out of assembly. This will also remove the rod guide and possibly the inner body.
4) For DWD versions; repeat step 1 on the rear of the cylinder.
5) Using a screw driver, remove the rear retaining ring.
6) Remove rear head. If the inner body was not removed in step 3, it will be removed now.
7) Remove cushion screw(s) from rod guide(s) and/or rear head and discard.
8) Locate the retaining split ring(s) on the rod assembly; remove with a screw driver and discard.
9) Remove the cushion sleeve(s), seal(s), and washer(s) from the rod. Discard the seal(s) and washer(s).
Repair
1) Install the cushion sleeve(s), seal(s) and washer(s) on the rod.
2) Locate the new retaining split ring(s) and install onto the groove(s) in front of the cushion washer(s). They
can be snapped together using pliers.
3) Install the O-ring(s) onto the cushion screw(s) and then assemble back onto the rod guide(s) and/or rear head.
4) Install the rear head (or rear rod guide) into rear end of outer body with the body hole and port threads inline.
5) Install a new retaining ring back into the rear groove in the outer body.
6) Install the rod guide onto the inner body.
7) Insert the piston and rod assembly approximately midway into the inner body with the rod sticking through the
rod guide.
8) Insert the rod guide and sub-assembly into the front of outer body with the body hole and port threads inline.
9) Press in rod guide to compress the wave spring, then install a new retaining ring back into the front groove
in the outer body.
10) Install rod seal, rod wiper bushing assembly, plastic spacer, and retaining plate back onto front of cylinder.
11) Install 4 plate screws to nish the re-build.
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