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 48” 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 4.29.
12.Slide deck from underneath machine.
SECTOR PLATES
RIGHT REAR
TRACTOR
FRAME
DISCONNECT SPRING
FROM FRAME
FIGURE 4.30 |
| ||
STATIONARY | TRANSMISSION | ||
IDLER | |||
PULLEYS |
|
| PULLEY |
| |||
ENGINE | LOOSEN | TENSION |
IDLER | ||
PULLEY | NUTS | IDLER |
VIEW FROM UNDERNEATH TRACTOR
FIGURE 4.31
REAR DECK
HANGER BRACKETSREMOVE HAIR PIN & WASHER
42” DECK SHOWN
DRIVE BELT
TRANSMISSION PULLEY
TENSION
IDLER
FIGURE 4.29
13.Disconnect traction belt idler pulley spring from tractor frame. See Figure 4.30.
14.Loosen mounting nuts on traction drive belt tension and stationary idlers just enough to allow belt to clear belt guides. See Figure 4.31.
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 4.32.
4.Make certain belt is within belt guides of idlers.
5.Attach tension idler spring to tractor frame.
STATIONARY
IDLER
STATIONARY IDLER
BRACKET
BELT GUIDE
STATIONARY IDLER
FIGURE 4.32
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.
26
