MTZ 1220.1/1220.3 K. Scheduled technical maintenance
K32
Operation 40. Change oil in the trans-
mission housings, hydraulic system oil
tanks, HSU and wet brake housings
Before changing oil, operate the tractor to
warm up the transmission and hydraulic
system oil.
• Install the tractor on an even surface,
lower the rear hitch linkage rods to the
lowest position, stop the engine and
brake the tractor with the parking brake.
• Lock the rear wheels with wedges on
both sides.
• Remove the cover (1) of the oil filler
neck of the transmission, the plug (3) of
the hydraulic system oil tank and the plug
(5) of the HSU oil tank.
• Remove the drain plugs (2, 4, 6) from
housings of the gearbox, rear axle, hy-
draulic system oil tanks and HSU respec-
tively and discharge oil into a container for
collection of waste oil. Properly dispose of
waste oil.
Caution! Be careful to avoid contact
with hot oil.
• Install the drain plugs (1, 3, 4) to place
and fill the transmission housing (Oper-
ation 4), the hydraulic system and HSU
oil tanks (Operations 3 and 3.1) with
fresh oil to the required level .
Oils shall be engine oil 10
2
or 8
2
—
for transmission housing.
Engine oils 8
2
; 10
2
; 8
2
; 10
2
— hydraulic system fuel oil tank.
Industrial oil STAROIL 32 (TU
RB 14733172.003-99) – HSC oil tank.
• Change oil in a multi-disk brake hous-
ings operating in oil bath, proceeding as
follows:
•
unscrew the check-fill plugs (1) of the
left and right housings;
•
unscrew the drain plugs (2) and dis-
charge oil as described above;
•
screw the drain plugs (2);
•
fill the housings with fresh motor oil
according to table 1 of section “Annex”
(left housing – 1.5 l, right – 1.0 l).
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