Maintenance; Blade Brake - Snapper 23 Serie Manual Del Usuario E Instrucciones De Seguridad

Maintenance (Continued)
!
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.
Check the Blade Drive Belt
The blade drive consists of a single belt from the engine to
the deck. Inspect for signs of deterioration and proper ten-
sion.
1. Lower the deck to the lowest setting.
2. Remove the four self-tapping screws (A, Figure 21),
two on each side of mower drive belt cover (B).
3. Slide the cover back and rotate out on the left side of
the mower deck.
Figure 21: Removing the drive belt cover
4. Raise the deck to the 3rd height of cut position (middle
notch). With the engine "OFF", move the blade lever
back to the "ON" position and depress the blade pedals.
5. 28" and 30" Decks *: Measure the belt spacing at the
idler pulley (A, Figure 22). The belt spacing (B) should
be 1-1/4" but no less than 1". If the measurement is
less than 1", the belt tension should be adjusted. Refer
to the section entitled "BLADE DRIVE BELT ADJUST-
MENT".
* 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 the section entitled
"BLADE DRIVE BELT REPLACEMENT".
18
!
Figure 22: Measuring the belt spacing
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.
A

Blade Brake

B
1. Check the blade brake for proper function. The blade
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
Service Brake / Park Brake
1. Check the machine brake for proper function:
2. If the brakes are not functioning properly, brake adjust-
B
!
WARNING
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
do not operate the machine. Refer to the section entitled
"BLADE BRAKE ADJUSTMENT", or contact your
SNAPPER dealer for assistance.
Engage the park brake, and push the machine. The
rear tires should skid.
Drive the machine forward and apply the brake. The
machine should come to a complete stop in less
than 5 ft.
ment must be completed before operating the machine.
Refer to the section entitled "SERVICE BRAKE – PARK
BRAKE ADJUSTMENT".
A
!
!
www.snapper.com