Filter
Top Products
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 (1) from the transmission
housing and allow the oil to drain into a pan.
Replace the drain plug and torque to 108 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 (10) 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 (10) 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