Buhler 535 - Manual (Page 176)

435/485/535
4-43
Section 4 - Lubrication & Maintenance
Every 1500 Hours or Yearly
F4-71
Operation 56
Change the Transmission Oil
(Synchromesh Transmission Only)
To drain the transmission oil, use the following
procedure based on the type of transmission the
tractor is equipped with .
Synchromesh Transmission - 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) .
Operation 57
Clean the Transmission Suction Screen
(Synchromesh Transmission Only)
The synchromesh transmission has a removable sump
screen located under the suction tube that will require
cleaning periodically . To remove the suction screen,
proceed as follows:
Drain the transmission oil (see operation 49) .
Loosen and remove the four cap screws (7) that mount
the suction tube block (8) to the rear face of the
transmission . Push the tube out of the way to access
the suction port .
Remove the suction screen (9) from the port and
clean it in a suitable solvent . Replace the screen into
the suction port .
Remove the O-ring (0) from the front face of the
suction tube block (8) . Check that it is in good
condition before refitting into the suction tube block .
Replace the O-ring (0) if it is damaged . Reinstall the
suction tube block bolts (7) and torque to 75 N .m
(55 ft-lbs) .
IMPORTANT: The 1407 Twindisc powershift
transmission has a non-removable suction screen that
does not require maintenance.
Synchromesh Transmission Only
F4-16
3
2
1
7
7
8
10
9
Synchromesh Transmission Only