Section 4 - ADJUSTMENTS & REPAIR
4.6MOWER DRIVE BELT, ENGINE BELT & HYDRO PUMP BELT REPLACEMENT
Inspect all belts. Replace belt if it shows signs of excessive wear, damage and/or is broken.
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 wires from spark plugs and (gas only) secure wires away from spark plugs. Engine and components are HOT. Avoid serious burns by allowing all parts sufficient time to cool.
4.6.1.MOWER DRIVE BELT REMOVAL
1.Remove mower drive belt cover.
2.Remove old belt.
4.6.2.MOWER DRIVE BELT REPLACEMENT
1.Route belt around blade pulleys and idler pulley as shown. It may be necessary to use a pry bar to pull idler pulley back to install belt. See Figure 4.8.
2.Reinstall belt cover.
FRONT OF | DISCHARGE | |
CHUTE NOT | ||
MOWER | ||
SHOWN | ||
|
3.Remove the nuts and bolts that secure the metal couplings to the rubber flex coupling. Remove rubber flex coupling to allow space to remove and install belt.
4.Remove belt from around pulleys and fan. Pull belt through where rubber flex coupling was located.
5.Install new belt in reverse order.
6.Reinstall rubber flex coupling. Reinstall alternator cover and radiator screen. Reinstall all nuts and bolts. Tighten all nuts and bolts securely.
FRONT OF MOWER
RADIATOR SCREEN
REAR OF MOWER
ALTERNATOR
COVER
RADIATOR
SCREEN
METAL
COUPLING
FIGURE 4.8
4.6.3.ENGINE BELT REMOVAL
1.Remove radiator screen.
2.Remove nut and bolt that secure the top portion of alternator cover. Rotate cover to the side. See Figure 4.9.
REMOVE RUBBER FLEX COUPLING
FIGURE 4.9
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