Fastener Selection

The housing should be mounted to the truck bolster pad utilizing one of the following fasteners:

Miner does not have a preference whether the bolt-head be on top of the housing or under the bolster. The orientation of the bolt-head is left up to the car owner.

Acceptable fasteners on all models EXCEPT the TCC-III RA:

• Camcar standard dome head fastener (reference part #794-20100-130).

• Huck fastener (reference part #C71LR-BR24-28/32 and #3LC-2R24GL).

• 7/8" Grade 5 or better HEX head bolt with self-locking nut.

Torque:

- Dry: 375-425 ft.-lbs. (Produces a clamping force of 20,000-30,000 lbs. per bolt).

- Waxed or well lubricated threads: 280-320 ft.-lbs. (Roughly 25% reduction from dry values).

Acceptable fasteners for the TCC-III RA ONLY

• Camcar flat head fastener (reference part #784-20156-140/160).

• 7/8" Grade 5 or better FLAT head bolt with self-locking nut.

Torque:

- Dry: 375-425 ft.-lbs. (Produces a clamping force of 20,000-30,000 lbs. per bolt).

- Waxed or well lubricated threads: 280-320 ft.-lbs. (Roughly 25% reduction from dry values).

Warning: Remove all C-Pep pads when installing constant contact side bearings.