Snapper SZT18336BVE User Manual

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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. 
 
3.
  In cases of severe tracking, one plate may need 
to be moved fully back and the other moved fully 
forward. 
 
FIGURE 4.1c 
 
4.2  ENGINE ADJUSTMENTS & REPAIR 
Refer to the engine owner’s manual for those adjustments 
and/or repairs that can be made by the owner. 
 
4.3  MOWER DECK & COMPONENT ADJUSTMENTS 
The following mower deck and component adjustments 
and repairs can be made by the owner.  However, if 
there is difficulty in achieving these adjustments and 
repairs, it is recommended that these repairs be made 
by an authorized SNAPPER dealer. 
 
4.3.1.  MOWER DRIVE BELT ADJUSTMENT 
The 33” and 38” mower deck drive belts do not 
require any adjustment. If the belt does not drive 
blade properly, replace belt as needed. Refer to  
 
 
Section “BELT REPLACEMENT”. Belt routing 
shown on this page. See Figures 4.2 & 4.2a. 
 
FIGURE 4.2 
 
FIGURE 4.2a 
 
4.3.2.  MOWER DRIVE BELT REPLACEMENT 
Inspect mower drive belt. Replace belt if signs of 
excessive wear and/or damage are present. 
 
4.3.3. BELT REMOVAL 
1.  
Remove footrest/floor pan assembly. Refer to 
Section “FOOTREST REMOVAL”. 
2.  Remove old belt. 
 
4.3.4. BELT REPLACEMENT 
1.  
Route new belt around electric clutch pulley. 
See Figure 4.3. 
 
 
FIGURE 4.3 
 
(Continued On Next Page) 
 
MOWER 
BELT 
ELECTRIC 
CLUTCH 
VIEW SHOWN FROM UNDERNEATH WITH 
DECK REMOVED, DECK REMOVAL NOT 
NECESSARY FOR MOWER BELT 
REPLACEMENT 
ROUTE MOWER BELT AROUND 
ELECTRIC CLUTCH PULLEY 
SPINDLE PULLEY 
ELECTRIC CLUTCH PULLEY 
IDLER PULLEY 
33” DECK 
SPINDLE PULLEY 
SPINDLE PULLEY 
IDLER 
PULLEY 
STATIONARY 
PULLEY 
ELECTRIC 
CLUTCH 
PULLEY 
TRACKING 
ADJUSTMENT 
PLATE 
ADJUST 
LEVER 
ALIGNMENT 
SCREWS
ADJUST UNTIL 
LEVERS ARE 
ALIGNED 
38” DECK