Tracking Adjustment; Mower Drive Belt Removal & Replacement - Snapper NZM21521KWV Safety Instructions & Operator's Manual

Section 5 - ADJUSTMENTS & REPAIR

5.6 TRACKING ADJUSTMENT

If the machine does not track straight when the
Motion Control Levers are in the maximum forward
speed position, perform the following adjustment.
Rear tire pressure must be set to 12 PSI before
making this adjustment.
1. Loosen bolts that secure adjustment plates and
slide plates all the way forward. Retighten bolts.
2. Start machine and drive in smooth flat open area
at maximum forward speed.
3. If machine tracks to the right, loosen bolts that
secure the left adjustment plate. Move plate
rearward to slow the left wheel. Retighten bolts.
4. If machine tracks to the left, loosen bolts that
secure the right adjustment plate. Move plate
rearward to slow the right wheel down. Retighten
bolts. See Figure 5.12.
5. Drive machine again. Repeat adjustment as
necessary until machine tracks straight.
LOOSEN BOLTS.
SLIDE PLATE TO
MAKE MACHINE
TRACK STRAIGHT
FIGURE 5.12
LEFT SIDE MOTION
CONTROL LEVER
ADJUSTMENT
PLATE
23
5.7 MOWER DRIVE BELT REPLACEMENT
Inspect mower drive belt. Replace belt if it shows
signs of excessive wear, damage and/or is broken.
5.7.1. BELT REMOVAL
1. Remove power unit footrest.
2. The engine to deck belt must be removed before
the deck belt can be removed. Remove engine to
deck belt.
3. Disconnect deck belt tension spring.
4. Remove old deck belt. Note the belt routing. See
Figure 5.12.
5.7.2. BELT REPLACEMENT
1. The deck belt must be installed first and the
engine to deck belt installed last.
2. Route deck belt around blade pulleys and idler
pulley in the same position as old belt was
removed. See Figure 5.13.
3. Reconnect idler pulley spring.
4. Reinstall engine to deck belt.
5. Reinstall power unit footrest.
RIGHT
PULLEY
CENTER
PULLEY
LEFT
PULLEY
BELT ROUTING
FIGURE 5.13
DECK
BELT
ELECTRIC
CLUTCH
ENGINE TO
DECK BELT