Check Mower Drive Belt; Check Transaxle Drive Belt; Service Every 25 Operating Hours; Check Engine - Snapper SZT18426BVE, SZT20486BVE Safety Instructions & Operator's Manual

Section 3 - MAINTENANCE
3.2.4.

CHECK MOWER DRIVE BELT

1. Footrest/Floor pan Removal
a. Pull deck lift handle to highest cutting position.
See Figure 3.3.
b. Remove the two knobs that secure the rear of the
floor pan.
c. Remove two bolts at front bottom edge of foot
rest. Lift up on footrest and slide rear of floor pan out
from under deck lift mechanism.
DECK LIFT
HANDLE
RELEASE
LEVER
FIGURE 3.3
2. Checking Mower Belt Tension
The idler and spring provide proper belt tension and
require no adjustment. If belt is frayed, slit, severed or
belt strands exposed, replace belt before operating
mower. Reinstall footrest/floor pan assembly.
3.2.5.

CHECK TRANSAXLE DRIVE BELT

1. Checking Transaxle Belt Tension
The transaxle drive belt requires no adjustment. If belt
is frayed, slit, severed or belt strands exposed,
replace belt before operating mower.

3.3 SERVICE EVERY 25 OPERATING HOURS

3.3.1. ENGINE
1. Engine Cooling System
The engine cooling system consists of an engine shroud
and engine fins. These should be kept clean and free of
debris as needed or cleaned.
2. Engine Oil
Change engine oil. See Section on CHANGE ENGINE
OIL. Refer to engine owner's manual for oil
specifications.
3. Oil Filter
Change engine oil filter. Refer to engine owner's manual
for filter specifications.
4. Fuel Filter
Refer to engine owner's manual for service instructions.
5. Air Filter
Refer to engine owner's manual for service
instructions.
DECK LIFT HANDLE
SHOWN
POSITIONED IN
HIGHEST NOTCH.
14
a. 20 Hp Engines: Change air filter. Remove
bolts that secure air cleaner cover. See Figure 3.4.
IMPORTANT: When cover is removed, you are
viewing the carburetor side of the air filter, which will
appear clean. Remove filter and pre-cleaner for
inspection.
AIR CLEANER
RETAINING BOLTS
NOTE: YELLOW TABS MUST BE
COMPLETELY INSERTED INTO SLOTS
FIGURE 3.4
b. Refer to engine owner's manual for cleaning
and service instructions. Remove and clean
engine air pre-cleaner. Remove and replace
engine air cleaner. See Figure 3.5. Install pre-
cleaner and air cleaner per engine owner's
manual.
AIR PRE-
CLEANER
AIR CLEANER
FIGURE 3.5
AIR CLEANER
COVER