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. 
 
3.3  SERVICE - EVERY 25 OPERATING HOURS 
3.3.9.  DIFFERENTIAL/CHAIN CASE - LUBRICATION 
3.  Check fill/level plug for damage. If signs of wear or 
cracks are visible, replace plug with new plug. See 
Figure 3.9. 
 
4.  To check lubricant in chain case, remove fill/level 
plug and look for lubricant on the internal 
components of the chain case.  If no lubricant is 
visible, add "SNAPPER Transmission” grease as 
needed.  See Figure 3.9.  
 
 
 
FIGURE 3.9 
 
3.3.10.  Check “MAINTENANCE SCHEDULE” 
Section of Engine Owner’s Manual for additional 
engine service. 
 
 
 
 
 
 
 
 
 
 
 
 
3.4  SERVICE - ANNUALLY 
3.4.1.  Perform all maintenance as specified in 
“MAINTENANCE SCHEDULE” Section of this manual. 
 
3.4.2. ENGINE 
Perform all maintenance as specified in Engine 
Owner’s Manual. 
 
3.4.3. FUEL FILTER 
Service fuel filter as instructed below, on COLD 
ENGINE ONLY! 
 
IMPORTANT: To stop flow of fuel, tank may be removed 
from bracket and set on the floor so the fuel level will be 
below the filter. Refer to Section “REMOVING FUEL TANK”. 
 
1.  Remove hose clamps from fuel filter. 
2.  Remove fuel lines from filter. Discard filter. 
3.  Install new fuel filter. See Figure 3.10. 
4.  Reinstall fuel tank into bracket. 
 
 
FIGURE 3.10 
 
3.5  EVERY TWO YEARS 
In addition to regular maintenance, the following 
components of the Rear Engine Rider should be 
carefully inspected every two years for wear or 
damage.  Replace worn or damaged parts with 
genuine SNAPPER replacement parts available 
from an authorized SNAPPER dealer. 
3.5.1.  All bushings and pivot areas. 
3.5.2.  Check both front wheel king pins. 
3.5.3.  Transmission shift lever and detent. 
3.5.4.  Clutch disc. 
3.5.5.  Clutch Yoke (See Figure 4.9). 
3.5.6.  Mower deck linkage and pivot areas. 
 
 
 
 
 
AXLE 
BOOTS 
CHAIN 
CASE 
FILL/LEVEL PLUG 
P.N. 1-1024 
HOSE 
CLAMPS 
P.N. 1-4359 
FUEL 
FILTER