Buhler 535 - Manual (Page 170)

435/485/535
4-37
Operation 50
Change the Transmission Oil
(CAT TA22 Transmission)
Check the oil level with the tractor parked on a level
surface with the engine shut off .
Operate the tractor a sufficient amount of time to
warm up the transmission oil . Remove the drain plug
() from the transmission housing and allow the oil to
drain into a pan .
Replace the drain plug and torque to 08 N .m
(80 ft-lbs ± 5%) . Refill the transmission with new oil
through the fill tube (2) to the proper level as indicated
by the sight gauge (3) .
NOTE: 3.8 L (1 US gal) of transmission oil will raise
the level in the sight gauge 10 mm (0.4 inch).
Visually inspect the transmission for leaks . Check for
leaks under the transmission and around the drain
plug .
Operation 51
Clean the Transmission Suction Screen
(CAT TA22 Transmission)
The CAT TA22 transmission has a removable sump
screen located on the right hand side/front of the
transmission case . To remove the suction screen,
proceed as follows:
NOTE: It is not necessary to drain the transmission oil
before removing the suction screen.
Remove four bolts (4) and cover plate (5) from the
transmission housing .
Remove the O-ring (6) from the inside face of the
cover plate . Inspect the O-ring for condition before
refitting into the the groove on the inside face of the
cover plate . Replace the O-ring if it is damaged .
Remove the the suction (7) screen from the
transmission housing and clean with a none flammable
cleaning solvent .
Re-install the suction screen into the housing ensuring
that it seats properly .
Reinstall the cover plate (2) with four bolts () and
torque to 75 N .m (55 ft-lbs) .
F4-101
F4-99
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3
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Section 4 - Lubrication & Maintenance
Every 1000 Hours
F4-103
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5
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