TYPE 35 AND TYPE 55 (WITHOUT RIVETED COVER) AND BALL INDENT LOCK MECHANISM ASSEMBLY
1.Install plunger spring and plunger in body.
2.Install slack adjuster gear in body.
3.If worm was removed from shaft, new worm should be pressed on shaft noting dimension as instructed in No. 4 of disassembly procedure.
4.Install worm and shaft. Worm and shaft must be run in so that the worm fully engages slack adjuster worm gear. Make certain that when pressing the worm shaft into the body that the height measurement between the top of the adjusting screw and slack adjuster body is same before and after removal.
5.Install cover and retaining ring in groove of body.
6.Install new lockwasher on worm nut in body and tighten. Bend up at least 2 tabs of lockwasher, one of which should fit in groove of body.
7.Install plunger spring, thrust washer and plunger in lock hole.
8.Install cam lock in body. Install pin.
9.Lubricate slack adjuster, as outlined in “Preventive Maintenance” section.
TYPE 35, 40, 55 (WITH RIVETED COVER AND BALL INDENT LOCK MECHANISM) ASSEMBLY
1.Place worm and worm gear in slack adjuster body.
2.Press the worm shaft into the worm. The indents in the worm shaft must be lined up with the ball lock hole. Make certain that when pressing the worm shaft into the body that the height measurement between the top of the adjusting screw and slack adjuster body is the same before and after removal.
3.Install covers and rivet securely.
4.Install ball, spring and ball indent lock mechanism. Turn adjusting screw, allowing ball to fully engage indent in shaft. Check for full engagement by tightening lock mechanism screw to same dimension as noted in step #3 of “Disassembly” instructions.
5.Before installing welch plug, grease bottom of shaft. Install new welch plug.
6.Lubricate slack adjuster as outlined in “Preventive Maintenance” section.
TEST OF REBUILT SLACK ADJUSTERS
After lubricating rebuilt slack adjuster (see “Preventive Maintenance” section), all moving parts of the slack adjusters should rotate freely and not bind. With slack adjuster installed in vehicle, refer to “Service Test” section. Check that rebuilt slack adjuster functions properly.
GENERAL SAFETY GUIDELINES
WARNING! PLEASE READ AND FOLLOW THESE INSTRUCTIONS TO AVOID PERSONAL INJURY OR DEATH:
When working on or around a vehicle, the following general precautions should be observed at all times.
1.Park the vehicle on a level surface, apply the parking brakes, and always block the wheels. Always wear safety glasses.
2.Stop the engine and remove ignition key when working under or around the vehicle. When working in the engine compartment, the engine should be shut off and the ignition key should be removed. Where circumstances require that the engine be in operation, EXTREME CAUTION should be used to prevent personal injury resulting from contact with moving, rotating, leaking, heated or electrically charged components.
3.Do not attempt to install, remove, disassemble or assemble a component until you have read and thoroughly understand the recommended procedures. Use only the proper tools and observe all precautions pertaining to use of those tools.
4.If the work is being performed on the vehicle’s air brake system, or any auxiliary pressurized air systems, make certain to drain the air pressure from all reservoirs before beginning ANY work on the vehicle. If the vehicle is equipped with an
5.Following the vehicle manufacturer’s recommended procedures, deactivate the electrical system in a manner that safely removes all electrical power from the vehicle.
6.Never exceed manufacturer’s recommended pressures.
7.Never connect or disconnect a hose or line containing pressure; it may whip. Never remove a component or plug unless you are certain all system pressure has been depleted.
8.Use only genuine Bendix® replacement parts, components and kits. Replacement hardware, tubing, hose, fittings, etc. must be of equivalent size, type and strength as original equipment and be designed specifically for such applications and systems.
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