Walker H27i - Preoperating Checklist; Fluid and System Checks

Assembly Instructions
25
PREOPERATING CHECKLIST
Before operating the mower for the rst time, and as
a routine before daily operations, it is important to
make sure the mower is properly prepared and
ready for operation. The following is a list of items
to be checked. (For a mower with frequent opera
tion, some of these items will not need to be checked
every day, but the operator should be aware of the
condition of each.)
For proper fuel and lubricants refer to Specications.
FILL FUEL TANKS
Fill the fuel tanks using clean, fresh automotive
grade unleaded gasoline (87 octane minimum, 10%
ethanol maximum).
DANGER
Handle gasoline with care. Gasoline is
high ly ammable and its vapors are explo-
sive. Use safe refueling procedures:
● DO NOT ll fuel tanks with the engine
running.
● If the engine is hot, allow to cool before
refueling.
● Use an approved fuel container.
● Fuel the mower outdoors.
● DO NOT smoke while refueling.
● Avoid spilling fuel; use a funnel or
spout.
● DO NOT overll the fuel tanks; ll up to
about 1 in. (25 mm) below the top of
tank.
IMPORTANT: DO NOT permit dirt or other foreign
matter to enter the fuel tanks. Wipe dirt from around
the ller cap(s) before removing. Use a clean fuel
storage container and funnel.
IMPORTANT: DO NOT mix oil with gasoline. Al
ways use fresh, automotive grade unleaded gas o
line. DO NOT use gasoline containing greater than
10% ethanol. DO NOT use additives, such as car
buretor cleaners, deicers, or moisture removing
agents. DO NOT use gasoline blended with methyl
alcohol.
CHECK ENGINE CRANKCASE OIL LEVEL
Check the engine crankcase oil level before use and
after each 8 hours of continuous operation. Refer
to LUBRICATION for Checking Engine Crankcase
Oil Level in Maintenance Instructions.
CHECK AND SERVICE ENGINE AIR CLEAN
ER SYSTEM
● Check air lter restriction gauge to make sure
the yellow indicator disk is in the safe operating
(green) range.
● Check condition, cleanliness, and security of the
complete air cleaner system (inspect air lter
paper element every 100 hours). For detailed
procedures, refer to CLEANING the Engine Air
Cleaner System in Maintenance Instructions.
CHECK ENGINE COOLING SYSTEM
Check that the engine cooling air intake screen is
free of obstruction by grass clippings or debris and
clean if required. Also, cylinder head cooling ns
should be inspected and cleaned if any buildup of
debris is noted [remove two (2) cylinder head ac
cess panels to inspect and clean]. Refer to CLEAN-
ING the Cylinder Head Cooling Fins in Mainte-
nance Instructions for this procedure.
Check performance of the cooling system by start
ing the engine, holding a hand adjacent to the cylin
der heads, and feeling the cooling airow.
DANGER
Make sure to keep hands clear of exhaust
pipe, mu󰀪er, and moving parts when
checking airow.
CHECK HYDROSTATIC TRANSAXLE OIL
LEVEL
Refer to LUBRICATION for Check Transaxle Fluid
Level in Maintenance Instructions.
INSPECT FIVE (5) DRIVE BELTS
Engine/PTO (3), Ground Drive (1) and Deck Drive (1).