Walker MC (20 HP) - Manual (Page 28)

Assembly Instructions
24
CHECK FUNCTION OF SAFETY INTERLOCK
SWITCHES
Refer to Operating Instructions to check for proper
operation of safety switches, both during engine
starting and with the operator leaving the seat with
tractor moving forward or with the mower blades en-
gaged.
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 UN-
DERNEATH MOWER DECK (and inside GHS
blower, if equipped)
Refer to CLEANING the GHS Blower in Mainte­
nance Instructions for blower cleaning information.
DANGER
Never operate cutter blades with deck in
raised position because it is hazardous.
The tilt-up deck can be secured in the raised posi-
tion 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 operat-
ing position.
Tilt-Up Hook
on Deck
Tilt-Up Latch
Tilt-Up Latch
Deck Lock Lever
Tilt-Up Lift Handle
Deck Secured in TILT-UP Position
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.
CHECK MOWER BLADE CONDITION,
SHARPNESS, AND SECURITY OF MOUNT-
ING
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.
CHECK DRIVE WHEEL BOLT TORQUE
The lug bolts mounting the drive tires should be
tightened to 75 to 85 ft-lbs. (101.7 to 115.2 N·m).
PERFORM ANY ADDITIONAL PROCEDURES
called for on the MAINTENANCE SCHEDULE
CHART in Maintenance Instructions.