* Make sure a SFI serial number and proof of meet SFI 29.1 specification are engraved on the outer ring. CAT logo and part number are engraved also. Identify the part number is right for your engine.

* Micro crank snout and damper hub to ensure the hub ID is 0.0002-0.001" smaller for press fit. Excessive tolerance may crack the keyway. Make sure OEM key is used.

* Remove burrs, nicks, and sharp edge on snout. Don't ever hone the inner bore of hub. File with emery cloth if need.

* Apply anti-seize compund on snout and hub.

* Tighten hub with proper installation nut only. Never hammer the damper. Which may void the Warranty.

* Install damper bolt and washer with torque as:

GM SBC 70 ft-lbs.

GM BBC 110 ft-lbs.

FORD 200 ft-lbs.

DODGE 200 ft-lbs.

BUICK/PONTIAC/OLDSMOBILE 250 ft-lbs.

* Install pulley on damper, if necessary drill new bolt pattern on pulley. Don't ever drill on damper, which may alter damper balance and void the Warranty.

* Line up belt system with generator and water pump. If necessary add shims on generator and water pump mount for proper center line.

* Deflect belt 0.5" on a non-auto tensioner system for proper belt tension.

* Check the timing mark on damper is in correct position as OEM specification.

* Hand crank engine to ensure no wobble on damper and pulley. Make sure the fan blade is clear from radiator and shroud.

TECH SUPPORT
CAT POWER ENGINE PARTS, INC.