Iran Tractor ITM 470, Operators Instruction Book

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3
Tractor operation 47
Operation:
To engage the hydraulic motor, move
the Draft Control Lever (1) to the fully ‘UP’
position.
To disengage the hydraulic motor,
move the Draft Control Lever (1) to the
fully ‘DOWN’ position.
LIFTING LINKAGE (Fig. 20)
The lower links (4) absorb most of
the load exerted by a mounted, or semi-
mounted implement. The links are raised
and lowered by the action of the lift arms.
The lift arms are connected to the lift rods
(3) and (6) which couple the lift arms to
the lower links (4). The lower links are
ball jointed to allow the implement to float
sideways slightly when operating, but ex-
cessive side-play which would allow the
implement to contact the rear tyres is pre-
vented by the lower link check chains (2).
The right-hand lift rod (6) can be ad-
justed for length to facilitate the fitting
of implements, or levelling the implement
to allow the tractor to work at a different
angle in relation to the ground. The level-
ling lever (7) is used to screw or unscrew
the upper and lower components of the lift
rod to adjust the length.
Fig. 20:
A
2
4
1
8
7
6
5
3
Key to (Fig. 20):
1. Top link.
2. Check chains.
3. Left-hand lift rod.
4. Lower links.
5. Alternative lower link position.
6. Adjustable lift rod.
7. Levelling lever.
8. Top link stowage hook.
Top link
WARNING
DO NOT, in any circumstances, at-
tempt to pull or tow from the top link
connection. DO NOT operate the tractor
with the threads showing.
The top link length is adjusted by turn-
ing the sleeve. The latch must be pulled
back before the sleeve can be turned. The
top link is adjusted when the implement is
fitted to give the correct operating angle.
When transporting the tractor, hook
the link into the raised position using the
stowage hook.
Lift rod length (3 Fig. 20)
The lift rod must be set to the correct
length to obtain the optimum implement
depth and maximum transport height. The
left-hand lift rod length (dimension ‘A’) is
set at the factory to the following length.
470 tractor.........573 mm (22.56 in).
For normal lift height, fit the linkage as
shown in Fig. 20. If an implement is fitted
which requires a higher lift capacity, the
lift rods can be relocated in an alternative