Mower Drive Belt Removal, Replacement & Adjustment - Snapper CZT19480KWV, CZT19481KWV, HZT21480BV, HZT21481BV Safety Instructions & Operator's Manual

Section 5 - ADJUSTMENTS & REPAIR
LOOSEN BOLTS.
SLIDE PLATE TO
MAKE MACHINE
TRACK STRAIGHT
TRACKING
ADJUSTMENT
PLATE
RIGHT SIDE
MOTION CONTROL
LEVER BLOCK
FIGURE 5.12
5.6a MOTION LEVER HANDLEBAR ALIGNMENT
Handlebars of both left and right Motion Control
Levers should be aligned when levers are dropped
from their neutral lock positions. See Figure 5.12a.
If bars are not aligned:
1. Loosen bolts that secure handlebar adjustment
brackets to lever blocks, and adjust handlebars
until aligned. See Figure 5.12. Retighten bolts after
alignment is achieved.
2. Note that handlebars are adjustable, and can be
raised or lowered to provide optimum operator
comfort. Simply remove hardware securing
handlebars to handlebar adjustment brackets, raise
or lower bars, and replace hardware.
ALIGN HANDLEBARS
DROP LEVERS
FROM NEUTRAL
LOCK POSITION
FIGURE 5.12a
5.7 MOWER DRIVE BELT REPLACEMENT AND
ADJUSTMENT
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. Remove jam nut, inner nut, washers and spring
from front threads of deck idler tensioning rod. See
Figure 5.13a. Slip rod out of deck bracket, and
swivel deck idler pulley back.
LOOSEN BOLTS. ALIGN
HANDLEBARS AS IN
FIGURE 5.12a
RAISE OR
LOWER BARS
REMOVE
HARDWARE
23
3. Remove old mower drive belt. Note the belt
routing. See Figure 5.13.
5.7.2. BELT REPLACEMENT
1. Route new belt around blade pulleys, idler
pulley, and clutch pulley in the same position as old
belt was removed. See Figure 5.13.
2. Reconnect deck
previously removed.
Adjustment' below
adjustment.
3. Reinstall power unit footrest.
5.7.3. BELT ADJUSTMENT
To adjust belt tension, loosen jam nut on deck idler
tensioning rod, then adjust inner nut in or out until
idler spring measures 2-5/16". See Figure 5.13a.
Tighten jam nut against inner nut after adjustment
is achieved.
RIGHT
PULLEY
CENTER
PULLEY
LEFT
PULLEY
FIGURE 5.13
AFTER REPLACING BELT,
REPLACE SPRING, WASHERS AND
INNER NUT, AND TIGHTEN UNTIL
SPRING LENGTH IS 2-5/16". THEN
INSTALL JAM NUT AND TIGHTEN
AGAINST INNER NUT.
FIGURE 5.13a
idler tensioning rod
Refer to Section 'Belt
for proper belt tension
ELECTRIC
CLUTCH
MOWER
DRIVE
BELT
BELT ROUTING
TO REMOVE BELT,
REMOVE JAM NUT AND
INNER NUT, WASHERS
AND SPRING
2-5/16"
as