T27i Maintenance Instructions
Lubrication
61
Changing Gearbox Oil
The tractor PTO gearbox is oil lled. No scheduled
oil change is required. However, changing the oil
af ter the rst 100 hour break-in period will
extend gearbox life and is recommended.
1. Remove the drain plug in the bottom of the
gearcase, drain the oil, and reinstall the plug.
2. Rell the gearbox through the dipstick stand-
pipe using 7 to 8 . oz. (21 to 24 cl) of SAE
E.P. (Extreme Pressure) 80W-90 (API GL-5)
gear lube. Re move plug in top of gearcase to
vent air when relling.
3. Check that the oil level is at the FULL mark on
the dipstick. DO NOT overll.
Gear Axle Lubrication
● The gear axle oil lubrication is SAE E.P.
80W-90 (API GL-5) gear lube.
● Check the axle oil level after every 100 hours
of operation by removing the oil level plug. If
additional oil is needed, remove the breather
vent on top of ax le and ll until oil is at the level
plug.
● Change axle oil every 1000 hours or two (2)
years.
Grease Fitting and Oil Point Lubrication
Lubricate the grease ttings and oil points after
every 25 hours of operation. Lubricate more
often when operating in dusty or dirty condi-
tions. Use SAE general purpose lithium or molyb-
denum base grease for grease ttings and light
machine oil (SAE 10) to lubricate oil points. Lubri-
cate the locations shown in the Chassis and Deck
Lubrication Points illustration on page 63.
NOTE: PTO universal joints (on the deck and
trac tor) require routine lubrication after every 25
hours of running time. Remove tractor PTO quick
disconnect tube assembly for easy access to
grease ttings.
NOTE: The best way to lubricate the PTO tube
half of the universal joint assembly is to remove it
from the tractor. See instructions for removing and
install ing PTO quick coupler, refer to Deck Installa-
tion on page 22.
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