Blue Ox BX88143 - Manual (Page 3)

Blue Ox Division, Automatic Equipment Mfg. Co. • One Mill Road, Industrial Park
Pender, Nebraska 68047 • Phone 402-385-3051 • Fax 402-385-3360 • www.blueox.us TM
292-5640 4/06 2 of 12
Pull-Cylinder Installation
Loosen one of the 1 1/4” hex bolts from the mount bracket. The mount bracket will then
pivot. Loosen the other 1 1/4” hex bolt enough to get around the brake pedal arm. Place the
cylinder assembly on the brake pedal arm about 3/4” above the brake pedal. Tighten both hex
bolts equally onto the brake pedal arm making sure the 1/2” band is 90 degrees to the brake
pedal pivot axis. Look at Fig. 4 and 5. Make sure the pull cylinder is mounted 90 degrees from
brake pedal arm. Make sure 1 1/4” hex bolts are tightened firmly, so the pull cylinder is not going to
slip on the brake pedal arm. Now that the pull cylinder is mounted, finger tighten the two mount plates
onto the end of the band. Pull the 1/2” band back to the firewall keeping the band parallel to the pull
cylinder and coming straight back from the pull cylinder (See Fig. 4 & 5). Note: Not making sure to
do this will cause excessive wear of the band. Now mark where the hole will need to be drilled and
mark the brake pedal brackets with a pencil. Once marked, remove pull cylinder assembly and drill
a 7/32” hole into the firewall. Making sure there are no vital components in the way. Bolt the mount
plate w/beveled hole to the firewall with a 1/4” x 1 1/2” flat head self-tapping screw, flat washer, and
nylock hex nut. Bolt the pull cylinder assembly onto the brake pedal arm making sure it’s placed
where it was before. Using two 10-32 hex screws, bolt the band mount plate to the floor plate
loosely. Route the band through the mount plates, take up the slack and tighten screws with 5/32
wrench.
Quick Exhaust Installation
Before plugging the 1/4” tubing into the elbow fittings, you must put the quick exhaust valve in-line.
The end of the 1/4” tubing that will be going into the cylinder assembly, leave one foot, then cut it with
utility knife. Install the quick exhaust valve, making sure the little hole is going towards the pull or push
cylinder assemblies. Also make sure the tubing is pushed in all the way into the quick exhaust fittings.
Push the end of the 1/4” tubing into the cylinder pipe elbow.