Snapper 421823BVE Benutzerhandbuch

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Section 4 - ADJUSTMENTS & REPAIR 
 
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. 
 
4.5.2. BELT REPLACEMENT 
1.  Follow WARNING statement found on this page. 
2.  Check fuel level in tank.  If over 3/4 full, remove 
tank. Refer to Section “REMOVING FUEL TANK”. If 
3/4 or less, proceed to next step.  
3. Carefully stand Rear Engine Rider on rear 
bumper. 
4. Route new belt through engine belt guide up to 
engine pulley. See Figure 4.14. 
 
 
FIGURE 4.14 
 
5.  Move transmission shift lever to the neutral (N) 
position. 
6. Rotate clutch yoke (clutch yoke shown in Figure 
4.10) out with your hand and work belt between drive 
disc and rubber driven disc.  
7.  To clear the primary chain case, move 
transmission shift lever to the #5 position. Route 
belt around drive disc and into drive pulley belt 
groove. See Figure 4.14. 
8.  Remove idler.  See Figure 4.15. 
9.  Route belt onto spindle pulley.  Make sure belt is 
inside spindle belt guide and idler belt guide. Route 
belt as shown in Figure 4.15.  
10. Reinstall idler removed in Step 8. The idler belt 
guide tab should be positioned in the hole located on 
idler arm.  Tighten idler pulley bolt securely. 
 
 
 
 
 
 
 
 
FIGURE 4.15 
 
11. Adjust belt guide.  See Figure 4.16 for proper 
belt-to-belt guide clearances. 
12.  Reinstall mower drive belt cover. 
 
 
 
 
FIGURE 4.16 
 
 
 
 
 
ENGINE 
BELT 
GUIDE 
ENGINE 
DRIVE 
PULLEY 
REMOVE 
STATIONARY 
IDLER 
RIGHT 
SPINDLE 
REMOVE 
TENSION 
IDLER 
LEFT 
SPINDLE 
1/16” 
RIGHT 
SPINDLE
LEFT 
SPINDLE 
1/16”