15
Section 3 - MAINTENANCE
WARNING
DO NOT attempt any adjustments, maintenance,
service or repairs with the engine running. STOP
engine. STOP blade. Engage parking brake. Remove
key. Remove spark plug wire from spark plug and
secure away from plug. Engine and components are
HOT. Avoid serious burns, allow all parts to cool
before working on machine. Fuel Filler Cap and vent
must be closed securely to prevent fuel spillage.
3.2 SERVICE - AFTER FIRST 5 HOURS
3.2.4. CHECK BLADE DRIVE BELT
The blade drive consists of a single belt from the
engine to the deck. Inspect for signs of
deterioration and proper tension.
1.
Lower deck to lowest setting.
2.
Remove four self-tapping screws, two on each
side of mower drive belt cover. See Figure 3.3.
3.
Slide cover back and rotate out on left side of
mower deck.
FIGURE 3.3
4.
With engine “OFF” and deck in 3rd height of cut
position, move blade lever back to the “ON”
position and depress blade pedals.
5. 28” and 30” Decks:
Measure the belt spacing
at idler pulley. See Figure 3.4. The belt spacing
should be 1-1/4” but no less 1”. If the measurement
is less than 1”, the belt tension should be adjusted.
Refer to Section “BLADE DRIVE BELT
ADJUSTMENT”.
WARNING
The following procedure requires the engine and
blades to be operated. Exercise extreme caution.
Clear area of loose parts & tools first. Only operate
blades when seated in the operator’s seat.
IMPORTANT:
The blade drive belt on 33” decks does
not require tension adjustment. If the belt becomes worn
or slack it must be replaced. Refer to Section “BLADE
DRIVE BELT REPLACEMENT”.
FIGURE 3.4
3.2.5. BLADE
BRAKE
1.
Check blade brake for proper function. Blade should
stop rotating in 3 seconds or less after moving the blade
control lever to the “OFF” position or after releasing the
blade pedals.
WARNING
Blades must stop rotating in 3 seconds or less after
the blade has been turned off. DO NOT operate
machine until blade brake has been adjusted and
functioning properly.
2.
If the blade continues to rotate longer than 3
seconds do not operate machine. Refer to Section
“BLADE BRAKE ADJUSTMENT” or contact your
SNAPPER dealer for assistance.
3.2.6. SERVICE BRAKE / PARK BRAKE
1.
Check machine brake for proper function. Engage
park brake. Push machine. Rear tires should skid. Drive
machine forward and apply brake. Machine should come
to a complete stop in less than 5 ft.
2.
If brakes are not functioning properly brake
adjustment must be completed before operating
machine. Refer to Section “SERVICE BRAKE – PARK
BRAKE ADJUSTMENT”.
REMOVE FOUR (4)
SELF-TAPPING
SCREWS
REMOVE
COVER
BELT SPACING
SHOULD BE
1-1/4”
ENGINE
PULLEY
IDLER
PULLEY
MOWER
DECK
PULLEY
Summary of Contents for 23 Series
Page 34: ...34 PRIMARY MAINTENANCE ...
Page 35: ...35 PRIMARY MAINTENANCE ...
Page 36: ...36 PRIMARY MAINTENANCE ...
Page 37: ...37 PRIMARY MAINTENANCE ...
