User manual BENDIX FD-3 TORQUEMASTER F-C

[. . . ] ® Bendix® FD-3TM TorqueMaster Fan Clutch BRACKET PULLEY FAN PLATE BEARINGS LOCK NUT DUST CAP PRESSURE PLATE BRACKET BEARINGS PILOT DIAMETER 2. 560 RETURN SPRINGS (8) DUST CAP FAN HUB PISTON PISTON HOUSING BEARINGS LOCK NUT SHAFT STANDARD PILOT DIAMETER 1. 998 AIR INLET DRIVE PIN (2) DUST CAP O-RINGS PULLEY FIGURE 1 DESCRIPTION The Bendix® FD-3TM TorqueMaster fan clutch is an air operated thermostat controlled clutch for the engine cooling fan. Its purpose is to maintain engine temperature by engaging or disengaging the cooling fan, thereby providing better fuel economy, greater engine efficiency, faster warm-ups and a quieter vehicle. The FD-3TM fan clutch is produced in several different models to accommodate the variety of installation requirements 1 SD-09-8504 resulting from the many engine, vehicle and accessory combinations. Its fail-safe design prevents overheating in the event of air loss for any cause. FAN ENGAGED OPERATION GENERAL The FD-3TM TorqueMaster fan clutch replaces the standard fan hubs on the engine and interchanges with other Bendix and competitive fan clutches. [. . . ] Never exceed manufacturer's recommended pressures. Never connect or disconnect a hose or line containing pressure; it may whip. Never remove a DISASSEMBLY (Refer to Figure 9) 1. Remove the dust cap(1) by pulling it off of the end of the shaft. Remove the cotter pin(2) from the lock nut (10). Remove the fan plate assembly and set aside. Slide the piston housing(15) and piston(16) off the shaft. Separate the piston(16) from the piston housing (15) and remove the o-rings(4 & 5) from the piston. Remove pressure plate(7) from the shaft. Remove the four o-rings(6) from the drive pin holes in the pressure plate. Remove the two 1/4"x20 Phillips head screws that secure the spring pack(9) to the pulley. Using a drift punch, disengage the locktab of the lockwasher(23) from the notch of the locknut(18). 5 7 16 5 43 15 14 13 12 11 10 1 PILOT DIAMETER 1. 998 22 6 21 20 18 17 2 7 23 19 9 8 5 4 3 15 14 13 11 10 1 PILOT DIAMETER 2. 560 12 16 2 PILOT DIAMETER 1. 998 Key No. 1 1 1 1 1 1 1 2 1 Description Cap Cotter Pin O-ring O-ring O-ring O-ring Pressure Plate Complete 1/4" Sems Screw Spring Pack Key No. 10 11 12 13 14 15 16 17 18 19 20 21 22 23 Qty. 1 1 1 1 1 1 1 1 1 2 1 1 1 1 Description Flange Nut Ball Bearing Spacer Ball Bearing Retaining Ring Piston Housing Piston Complete Anti-rotation Spring Locknut Ball Bearing Spacer Retaining Ring Retaining Ring Lockwasher Key No. 10 11 12 13 14 15 16 17 18 19 20 21 22 23 PILOT DIAMETER 2. 560 Qty. 1 1 1 2 1 1 1 1 1 2 1 1 1 1 Description Flange Nut Ball Bearing Spacer Ball Bearing Retaining Ring Piston Housing Piston Complete Anti-rotation Spring Locknut Ball Bearing Spacer Retaining Ring Retaining Ring Lockwasher FIGURE 9 12. Using a Spanner wrench, remove the locknut(18) and the lockwasher(23). NOTE: See Figure 10 for instructions to fabricate a Spanner wrench. Support the pulley so that the shaft and bracket assembly can be pressed out of the pulley assembly. Since the bearings(19) are originally installed with Loctite between the shaft and the bearing race, a force as high as 5000 lbs. may be required to separate these parts. [. . . ] Turn the fan plate over and install snap ring (14) with the flat side towards the bearing, making certain the snap ring is fully seated in its groove. INSTALLATION 1. Attach fan clutch unit to vehicle by installing cap nuts and lockwashers through mounting bracket holes into mating holes in engine bracket. Adjust fan belts per vehicle manufacturer's recommendation. Replace fan on pressure plate with six cap screws and lockwashers. [. . . ]