Maintenance
Adjust the drive belt tension
Maintenance
WMdoc072619
5-6
5
WARNING!
Do not adjust the engine drive belts or belt support bracket
with the engine running. Doing so may result in serious injury.
.
CAUTION!
Do not over-tighten the drive belt. Damage to the engine
may result
See Table 5-2.
See the table below for drive belt tension specifications for your model
sawmill. Measure the belt tension with a gauge. NOTE: Wood-Mizer offers a belt tension
gauge (Part No. 016309) that will let you accurately measure the belt tension.
Adjust the drive belt tension
1.
Loosen the drive belt jam and hex nuts. Turn the jam nut counterclockwise (as viewed
from the top) to tighten the belt.
See Figure 5-2.
New Belt Installation/New Sawmill Operation
Subsequent Adjustment
Engine/
Motor
Deflection
Inches (mm)
Installation
Force
lbs. (kg)
Check
After
First
Acceptable
Force
lbs. (kg)
Then
Check
Every
Deflection
Inches (mm)
Force
lbs. (kg)
ALL
7/16” (11mm)
14 lbs.
(6.35kg)
20 hrs
14 lbs.
(6.35kg)
50 hrs
7/16” (11mm)
14 lbs.
(6.35kg)
TABLE 5-2
FIGURE 5-2.
50
280023-2
7/16" (11 mm)
Turn jam nut clockwise
to loosen drive belt
Throttle Linkage
Adjustment
Hex Nut
Belt Tension
Gauge
After 4/15