INSTALLATION, OPERATION AND MAINTENANCE MANUAL WALL EXHAUST FANS BELT & DIRECT DRIVE XB, HV, HVA, HVAR, ADD,
M0112 – XB,HV,HVA,HVAR,ADD,ADDR,DDS,DDP 10
M0112 – XB,HV,HVA,HVAR,ADD,ADDR,DDS,DDP 2 8. Be sure to keep all wiring clear of any rotating parts. 9. Before starting the fan ensure that the wh
M0112 – XB,HV,HVA,HVAR,ADD,ADDR,DDS,DDP 3 Typical Installation Refer to page 8 Start Up Turn the fan on and inspect for the following. • Direction
• The standard pillow blocks on belt driven fans are factory lubricated. These bearings should be lubricated on a semi annual basis (more frequently
Pulley Alignment INCORRECTINCORRECTINCORRECTCORRECT Recommended Torque for Setscrews/Bolts (inch/lbs) M0112 – XB,HV,HVA,HVAR,ADD,ADDR,DDS,DDP
• Tighten the bearing bolts to the proper torque rating (see chart) • Turn the propeller by hand the propeller should rotate freely with the same
M0112 – XB,HV,HVA,HVAR,ADD,ADDR,DDS,DDP 7 FAN TROUBLE SHOOTING GUIDE PROBLEM POSSIBLE CAUSES
TYPICAL INSTALLATIONS Wall exhaust fan with cabinet, back guard and shutter The drawin
ADDR & HVAR FANS Please note for the reversing models ADDR, HVAR, the supplied reversing switch should be wired in accordance with the instruct
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