Product Manual

M0112 – XB,HV,HVA,ADD,DDS,DDP
5
Pulley Alignment
INCORRECTINCORRECT
INCORRECTCORRECT
Recommended Torque for Setscrews/Bolts (inch/lbs)
Bearings Replacement
Canarm/LFI Ltd. uses pillow block bearings.
• Before removing the bearings mark the positions of the fan blade,
bearings and pulley on the shaft.
• Note the clearance between the fan blade and the venturi.
• Remove the pulley and fan blade from the shaft using a puller.
• Unbolt the bearings and remove the shaft and pillow blocks as one unit.
• Clean the shaft and remove any marks using a file or emery cloth then
remove the bearings using a bearing puller.
• Inspect the shaft and replace if necessary.
• Mount the new bearings on a section of the shaft that is not worn by
tapping the inner ring face using a soft mallet.
• Align the setscrews on the bearings and then tighten one setscrew on
each bearing.
• Loosely install the bearings on the bearing mount.
• Rotate the shaft to find the center of free movement.
• Install the propeller adjusting the bearing location to center the blade in
the venturi.
SETSCREWS
RECOMMENDED
TORQUE INCH-LBS
HOLD DOWN BOLTS
SIZE
HEX
KEY
MIN
MAX
SIZE
TORQUE
INCH-LBS
NO.10
3/32”
28
33
3/8”-16
240
1/4"
1/8”
66
80
1/2"-13
600
5/16”
5/32”
126
156
5/8”-11
1200
3/8” 3/8”
3/16”
228
275
3/4 “-10
2100
7/16”
7/32”
348
384
7/8”-9
2040
1/2"
1/4"
504
600
1”-8
3000
5/8”
5/16”
1104
1200
1-1/8”-7
4200
3/4"
3/8”
1440
1800
1-1/4”-7
6000