Section 5 - ADJUSTMENTS & REPAIR

WARNING

UNHOOK TRACTION

REMOVEANTI-

DRIVE IDLER SPRING

ROTATION BRACKET

DO NOT attempt any maintenance, adjustments or service with engine running. STOP engine. STOP blades. Set brake. Remove key. Remove spark plug wires and secure away from spark plugs. Engine and components are HOT. Avoid serious burns, allow sufficient time for all parts to cool.

5.3TRACTION BELT TENSION

The traction drive belt tension does not require adjustment. If the belts are slipping, they will have to be replaced.

LOCK NUT

J -BOLT

FIGURE 5.9

5.4TRACTION BELT REPLACEMENT

1.Remove clutch to deck belt• See Figure 5.10•

2.Turn lock nut out to the end of J-Bolt, reducing spring tension• Unhook traction idler spring from bolt in frame• See Figure 5.9

3.Remove anti-rotation bracket. See Figure 5.10

4.Disconnect the electric clutch from main wire harness.

5, Remove traction belts from around engine pulley and hydro pumps.

6, Install new belts and route around engine pulley

and hydro pump pulleys.

7, Reconnect electric clutch to main wire harness. 8, Reinstall anti-rotation bracket and tighten nuts securely.

9, Reattach traction idler spring. Run lock nut all the way to the end of the threads on the J-Bolt. See Figure 5.10.

10.Reinstall electric clutch to deck belt onto electric clutch.

REMOVECLUTCH

TO DECK BELT

FIGURE 5.10

5.5BLADE BRAKE/ELECTRIC CLUTCH ADJUSTMENT The blade switch engages the electric clutch when pulled out to the "ON" position• When the blade switch is in the "ON _'position the cutting blade(s) are engaged• The blade switch disengages the electric clutch when the blade switch is pushed in to the "OFF" position. When the blade switch is in the "OFF" position the cutting blade(s) are disengaged. The electric clutch is adjustable• The blades should stop rotation in 7 seconds or less• If the electric clutch fails to stop the blades rotation in

7seconds, adjustment is necessary.

1.Insert a feeler gauge into the three slots on the electric clutch•

2.Check gap through all three slots in the side of the clutch. The gap should be set at .015•

3.If gap is incorrect rotate nuts in or out to achieve

the correct gap. See Figure 5.11.

NOTE: Electric Clutch is shown removed from the machine• Removal is not necessary for adjustment•

GAP SHOULD BE .015

f

H

ROTATE NUTS

IN OR OUT

TO ACHIEVE

CORRECTGAP

FIGURE 5.11

23

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Snapper NZM27 613KH, NZM25523KWV, NZM25613KWV, NZM19483KWV, NZM21523KWV Traction Belt Tension, Traction Belt Replacement
Page 9 Page 11

NZM21523KWV, NZM19483KWV, NZM25613KWV, NZM25523KWV, NZM27 613KH specifications

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