Front To Back Leveling; Mower Belt Replacement - Craftsman 19HP BRIGGS & STRATTON WITH 42" MOWER 107.27768 Operator's Manual

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Starting Position Max 1/4 Turn Max 1/4 Turn
to Lower the to Raise the
Front of the Front of the
Mower Mower
Figure 36. Orient Blades Front-to=Back
Front To Back Leveling
If the cut is uneven, the mower may need leveling.
Unequal or improper tire pressure may also cause an
uneven cut. See CHECK TiRE PRESSURE.
1. Turn the blades front-to-back as shown in Figure 36.
Measure the distance from the ground to front tip of
center blade, and from ground to rear tips of left hand
and right hand blades (Figures 36). Front tips should
be 1/8"-1/4" (3-6 mm) higher than rear tips. If not, pro-
ceed to step 2.
2. To raise or lower the front of mower deck, loosen lock
nut (A, Figure 37 inset) and turn eccentric nut (B).
3. Recheck measurement before tightening lock nut (A)
against bracket.
Figure 37. Front-to=Back Leveling
A. Lock Nut
B. Eccentric Nut
MOWER BELT REPLACEMENT
Mower Drive Belt Replacement
1. Park the rider on a level surface. Disengage the PTO,
turn off the engine and set the ground speed control
levers to PARK. Remove the key.
2. Use the idler pulley arm (C, Figure 38) to release belt
tension and remove the mower drive belt (A) from the
PTO pulley (E).
3. Remove the belt from the remaining deck pulleys.
Note: It is not necessary to remove the mower deck.
4. install the new belt (A) as shown in Figure 38.
Figure 38. PTO Belt Routing
A. Mower Drive Belt
B. Right Arbor Pulley
C. Idler Pulley Arm
D. Left Arbor Pulley
E. Engine PTO Pulley
F. Backside idler Pulley
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