T27i Maintenance Instructions
Checking and Servicing
73
Charging the Battery
DANGER
BATTERIES PRODUCE EXPLOSIVE GASES
● Charge the battery in a well-ventilated
area, so that gases produced while
charg ing can dissipate.
● Keep sparks, ames, and smoking ma-
terials away from the battery at all
times.
● Make sure the battery charger is un-
plugged before connecting or discon-
necting cables to the battery.
IMPORTANT: Always disconnect the negative (-)
battery terminal before charging. Failure to do so
can result in damage to the ECU.
1. Disconnect the battery terminals–negative (-)
rst.
2. Charge the battery at 15 amps for 10 minutes.
DO NOT exceed 20 amps (maximum recom-
mended charging rate). Total charging time
should not exceed one (1) hour.
3. Reconnect the battery terminals starting with
the positive (+) terminal.
Tire Pressure
Inate tires to pressures shown below:
Deck Caster Wheel* = 20 PSI (137 kPa)
Drive = 15 PSI (103 kPa)
Tailwheel = 20 PSI (137 kPa)
* If equipped with optional pneumatic tires
Wheel Bolt Torque
Check the eight (8) lug bolts that mount the drive
tires. Every 100 hours they should be torqued to
75 to 85 lb·ft (102 to 115 N·m).
Sharpen Mower Blades
Check mower blade(s) for straightness, sharp-
ness, condition of the cutting edge, and bal-
ance every 10 hours of operation (or more often
when mowing abrasive type grass or operating on
sandy soils). Replace blades if worn, bent,
cracked, or otherwise damaged (refer to Mower
Blades on page 84). Use the following proce-
dure to check and sharpen blades:
NOTE: Keep blades sharp—cutting with dull
blades not only yields a poor mowing job but slows
the cutting speed of the mower and causes extra
wear on the engine and blade drive by pulling
hard.
1. Stop the engine, remove ignition key, and
dis connect the spark plug wires before raising
the mower deck to service blades.
2. Raise the deck and secure it in the TILT-UP
po sition. Refer to Cleaning Grass Buildup in
Mower Deck Housing on page 70 for deck
rais ing instructions.
DANGER
NEVER operate cutter blades with the deck
in the raised position.
NOTE: PTO shaft must be disconnected
before checking blades for straightness.
3. Check the blades for straightness by marking
the blade tip position inside the deck housing,
and then rotating the opposite end of the blade
to the same position and comparing. If the
di erence in blade tip track is more than 1/8
in. (3 mm), the blade is bent and should be
replaced.
(continued on next page)
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