Model G0757 (Mfg. Since 6/13)
-51-
Tensioning Lower Horizontal Spindle
V-Belts
Tools Needed
Qty
Wrench 24mm ................................................... 1
Dead Blow Hammer .......................................... 1
To tension the lower horizontal spindle V-belts:
1. DISCONNECT MACHINE FROM POWER!
2. Open the horizontal V-belt cover to gain
access to the horizontal spindle V-belts and
pulleys, as shown in
Figure 67.
3. Loosen the tension thumbwheel and the hex
nut behind the lower idler pulley bracket.
Note:
In the next step, you may have to
bump the lower idler pulley with the deadblow
hammer to get it to move.
4. Apply pressure on the lower idler pulley to the
left as you tighten the tension thumbwheel.
Note: There is proper V-belt tension when
approximately
1
⁄
4
" –
1
⁄
2
" deflection is achieved
(see
Figure 66 on the previous page) by
applying moderate pressure midway between
the pulleys.
5. Retighten the hex nut behind the center pul-
ley bracket.
6. Close and latch the V-belt cover.
Tensioning Upper Horizontal Spindle
V-Belts
Tools Needed
Qty
Hex Wrench 6mm .............................................. 1
Wrench 14mm ................................................... 1
To tension the upper horizontal spindle
V-belts:
1. DISCONNECT MACHINE FROM POWER!
2. Open the horizontal V-belt cover to gain
access to the horizontal spindle V-belts and
pulleys.
3. Loosen the hex nut on the center cap screw
shown in
Figure 68, then rotate the cap
screw clockwise to increase tension in the
upper V-belts.
Note:
There is proper V-belt tension when
approximately
1
⁄
4
" –
1
⁄
2
" deflection is achieved
(see
Figure 66 on the previous page) by
applying moderate pressure midway between
the pulleys.
Figure 67. Horizontal spindle V-belts and pulleys
(cover removed for photo clarity).
Hex Nut
Behind Bracket
Tension
Thumbwheel
Lower Idler Pulley
Lower
V-Belts
Upper
V-Belts
Figure 68. Upper horizontal V-belt tensioning
cap screw.
Center
Cap Screw
& Hex Nut
Upper V-Belts
4. Retighten the hex nut and secure the V-belt
cover.
Summary of Contents for G0757
Page 80: ...74 Model G0757 Mfg Since 6 13...
Page 84: ......
