15
Maintenance
Service - After the First 5 Hours
(Continued)
Safety Interlock System Checks
Perform the following interlock system checks periodically
during the operating season. Contact your authorized
Snapper dealer if you have questions.
Engine must not start if:
1. The Clutch/Brake Pedal is not fully depressed OR,
2. The Blade Control is in the “ON” (blades engaged) posi-
tion.
Engine should start if:
1. The Blade Control is in the “OFF” (blades disengaged)
position AND,
2. The Clutch/Brake Pedal is fully depressed.
Engine and blades must stop if:
1. The operator rises off of seat with Blade Control in “ON”
(blades engaged) position OR,
2. The operator rises off of seat with Clutch/Brake Pedal
not fully depressed.
Reverse Lockout Mechanism
Check the function of the Reverse Lockout Mechanism with
the engine off.
1. Depress and hold the blade pedals.
2. Depress and hold the clutch/brake pedal.
3. With Steps 1 and 2 performed, the shift lever must not
go into reverse.
Lubrication – Grease Fittings
The following components on the Rear Engine Rider are
equipped with grease fittings and require periodic lubrica-
tion. Apply General Purpose grease (NLGI No.2) with a
grease gun.
1. Front Wheel Bearings. Refer to the section entitled
“FRONT WHEEL BEARINGS – LUBRICATION”.
2. Rear Axle Bearing. Refer to the section entitled “REAR
AXLE BEARING – LUBRICATION”.
3. Mower Blade Spindle. Refer to the section entitled
“MOWER BLADE SPINDLE – LUBRICATION”.
4. Shift Lever. Refer to the section entitled “SHIFT LEVER –
LUBRICATION”.
Service - Every 25 Operating Hours
Perform all service required after the first 5 hours of opera-
tion. Refer to the section entitled “SERVICE – AFTER 5
HOURS”.
Check Engine
1. Change the engine oil. Refer to the section entitled
“CHANGE ENGINE OIL”. Refer to the engine manual for
oil specifications.
2. Change the air filter:
Pull up and rotate the air cleaner latch
(A, Figure
23)
to remove the air cleaner cover
(B)
.
IMPORTANT:
When the cover is removed, you are viewing
the carburetor side of the air filter, which will appear clean.
Remove the filter and pre-cleaner for inspection.
Remove the air cleaner
(C)
.
Remove and clean the engine air pre-cleaner
(located behind the air cleaner). Refer to the engine
manual for cleaning and service instructions.
Install the pre-cleaner and replace the air cleaner
per the engine manual.
Reinstall the air cleaner cover. Engage the latch over
the cover and rotate and push down to lock.
IMPORTANT:
The tabs
(D)
on the air cleaner cover must be
completely inserted into the corresponding slots in the
engine cover, or the compartment will not be completely
sealed to prevent debris from entering into the carburetor.
Maintenance (Continued)
WARNING
DO NOT operate machine if Reverse Lockout Mechanism is
not functioning properly. Contact your SNAPPER dealer
immediately for assistance.
!
!
Figure 23: Opening the engine air cleaner cover
B
A
WARNING
DO NOT operate machine if any safety interlock or safety
device is not in place and functioning properly. DO NOT
attempt to defeat, modify or remove any safety device.
!
!
(Briggs engine shown)
D
C
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