Walker MDD (20.9 HP) Lawn Mower User Manual


 
Assembly Instructions
24
CHECK HYDROSTATIC TRANSMISSION OIL
LEVEL
Refer to LUBRICATION for Checking Hydrostatic
Transmission Fluid Level in Maintenance Instruc-
tions.
CHECK BATTERY ELECTROLYTE LEVEL
Refer to CHECKING/SERVICING the Battery in
Maintenance Instructions.
CHECK FUNCTIONS OF INSTRUMENT PANEL
AND WARNING HORN
Turn the ignition key to the RUN position. Voltmeter,
Oil Pressure Warning Light, and Warning Horn
should all operate, indicating normal function.
CHECK TIRE PRESSURE
Deck Caster Wheel = 20 PSI (137 kPa)
Drive = 15 PSI (103 kPa)
Rear = 20 PSI (137 kPa)
CHECK AND CLEAN GRASS BUILDUP
UNDERNEATH MOWER DECK (and inside
GHS blower, if equipped)
Refer to CLEANING the GHS Blower in Mainte-
nance Instructions for blower cleaning information.
The tilt-up deck can be secured in the raised position
by unlocking the deck lock levers on each side of the
carrier frame and inserting the deck hook into the tilt-
up latch on the tractor body. Before operating the
tractor, make sure to re-engage the deck lock levers
after lowering the deck to the normal operating po-
sition.
Deck Secured in TILT-UP Position
CHECK MOWER BLADE CONDITION, SHARP-
NESS, AND SECURITY OF MOUNTING
The blade mounting nut should be tightened to
60 ft-lb (81.3 N·m). If blade sharpening is required,
refer to CHECKING/SERVICING for Sharpen
Mower Blades in Maintenance Instructions.
ADJUST MOWER CUTTING HEIGHT, IF RE-
QUIRED
Position the hitch pins in the four deck support pins.
Refer to the “Cutting Height Adjustment” decal on
the deck gearbox cover.
PERFORM ANY ADDITIONAL PROCEDURES
called for on the MAINTENANCE SCHEDULE
CHART in Maintenance Instructions.
DANGER
Never operate cutter blades with deck in
raised position because it is hazardous.
CAUTION
Do not operate machine with deck tilt-up
pivot joint unlocked.
DANGER
Do not operate the mower with deck in tilt-
up position. Do not move the tractor with
the deck in the tilt-up position.
Tilt-Up Lift Handle
Tilt-Up
Latch
Deck Lock Lever
Tilt-Up Latch
Tilt-Up Hook
on Deck