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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. Wear heavy
leather gloves when handling or working around
cutting blades. Blades are extremely sharp and can
cause severe injury.
4.3.3. SHIFTER ADJUSTMENT
(Continued from page)
4. Loosen mounting nuts.
5. Move the speed control lever until it is in direct
relation to the neutral “N” position on quadrant. See
Figure 4.11.
FIGURE 4.11
6. Tighten mounting nuts.
4.3.4. TRACTION DRIVE BELT ADJUSTMENT
Should a gradual loss of traction be noticed, it may be
necessary to adjust the traction drive belt tension. Adjust
as follows:
1. Move tractor to a firm, level surface.
2. Turn engine "OFF". Remove key.
3. Remove mowing deck.
4. Remove the traction drive belt stationary idler
mounting bolt. See Figure 4.1.
5. Move the stationary idler one hole towards left side
of tractor for more belt tension.
NOTE: Note the orientation of belt guide and make certain it
remains in the same orientation after moving idler. Should
less tension be required move stationary idler towards right
side of tractor. See Figure 4.12.
6. Secure stationary idler with mounting bolt.
7. Place spark plug wire onto spark plug. Set park
brake. Start engine.
8. Visually inspect traction drive belt for movement.
When properly adjusted, the traction drive belt should not
have any movement or rotation with the engine running
and park brake engaged.
9. Should movement be present, readjust traction drive
belt to release belt tension as described in previous
instructions.
FIGURE 4.12
4.4 MOWER BLADE SERVICE
4.4.1. (STANDARD) BLADE WEAR LIMITS
All mower blades should be checked for excessive wear
and damage before each use. See Figure 4.13.
FIGURE 4.13
NEW
BLADE
WEAR LIMIT.
CUTTING EDGE
WORN.
DANGEROUS CONDITION! DO
NOT USE ON MOWER!
NOTCH FORMING
MORE TENSION
BELT GUIDE - MAKE CERTAIN
BELT GUIDE ORIENTATION IS
MAINTAINED.
MOUNTING
BRACKET
LESS TENSION
BELT GUIDE
STATIONARY IDLER
STATIONARY IDLER
MOUNTING BOLT
MORE TENSION
LESS TENSION
MOUNTING BRACKET
STATIONARY IDLER
MOUNTING BRACKET
SPEED CONTROL LEVER
NEUTRAL
REVERSE
FORWARD
SPEEDS