Drive Belt Adjustment - Wood-mizer LT40 Series User Manual

Maintenance
3

Drive Belt Adjustment

3.11 Drive Belt Adjustment
See Table 3-2. Check the drive belt tension after the first 20 hours, and every 50 hours thereafter.
See the table below for drive belt tension specifications for your model sawmill.
50
Engine/Motor
1. Remove the two belt covers located underneath the engine.
2. For Manual Clutch Handle: Loosen the drive belt turnbuckle jam nuts. Turn the turnbuckle counterclockwise
(as viewed from the top) to tighten the belt, clockwise to loosen the belt.
See Figure 3-7.
3. For Autoclutch Option: Place a wrench on the flats at the top of the turnbuckle. Use a second wrench to turn
the bottom-most jam nut clockwise (as viewed from the bottom) to tighten the belt, counterclockwise to loosen
the belt.
3-8
WARNING!
Do not for any reason adjust the engine drive belts or belt sup-
port bracket with the engine running. Doing so may result in serious injury.
G25 7/16" (11mm) deflection with 8 lbs. (3,6kG) of deflection force
D33 7/16" (11mm) deflection with 16 lbs.(7,2kg) of deflection force
Turnbuckle coun-
Turnbuckle
terclockwise to
counterclockwise
tighten belt to tighten belt
Belt Tension
Loosen
Loosen jam
jam nuts
nuts
3H0287B
HDdoc012020
TABLE 3-2
FIG. 3-7
Maintenance