Snapper LT160H42FBV Operator's Manual page 68

Section 4 - ADJUSTMENT & REPAIR
WARNING
DO NOT attempt any adjustments, maintenance or
service with the engine or blades running. STOP
blades. STOP engine. Set brake. Remove key.
Remove spark plug wire from spark plug and secure
wire away from spark plug. Engine and components
can be extremely hot. Avoid burns by allowing engine
and components sufficient time to cool.
4.4.7. TRACTION DRIVE BELT REPLACEMENT
42" Mower Deck Removal
(Continued From Previous Page)
9. Remove hair pin and flat washer from rear deck
hanger bracket on both sides of tractor,
10. Make note of hole used in sector plates,
11. Slide sector plates off of rear deck hanger
brackets, See Figure 4,22,
12. Slide deck from underneath machine,
42" DECK SHOWN
FIGURE 4.22
13. Disconnect traction belt idler pulley spring from
tractor frame. See Figure 4.23.
14. Loosen mounting nuts on traction drive belt
tension and stationary idlers just enough to allow belt
to clear belt guides. See Figure 4.24.
15. Remove traction drive belt from engine pulley top
groove. Remove belt from transmission pulley.
16. Remove traction drive belt.
Traction drive belt replacement
1. Place new traction drive belt over transmission
pulley and span to engine pulley.
2. Place belt into top groove of engine pulley.
3. Route belt through stationary and tension idlers.
See Figure 4.25.
4. Make certain belt is within belt guides of idlers.
5. Reattach tension idler spring to tractor frame.
RIGHT REAR ....
TRACTOR
FRAME
DISCONNECT SPRING
FROM FRAME
FIGURE 4.23
STATIONARY
IDLER TRANSMISSION
IDLER
PULLEY NUTS IDLER
VIEW FROM UNDERNEATH TRACTOR
FIGURE 4.24
TRANSMISSION
DRIVE BELT
tENSION
IDLER
STATIONARY
IDLER
STATIONARY IDLER
BRACKET
I STATIONARY IDLER
FIGURE 4.25
NOTE: When installing a new belt, make certain the
stationary idler is mounted in the hole closest to the left
hand side of the tractor.
6. Reinstall mower deck in reverse order of removal.
24