153
6.6.5 Releasing the tension
WARNING
Do not loosen the greaser by more than one turn.
If it is loosened suddenly, the high pressure grease inside may
escape or the valve may be ejected, which may cause serious
injuries.
When you check whether the grease has escaped, do not look inside the greaser but
check that the track is released. Do not place your face, hand, legs or body in the direc-
tion of the greaser.
It is very dangerous to remove the grease using procedures other than those described
here. If the track cannot be relaxed, ask your YANMAR dealer to intervene.
1 = Cover
1. Loosen the two screws and rotate the bottom cover to ac-
cess the lubrication nipple.
2. Raise the machine with the equipment by activating the
command lever.
WARNING
Do not support the machine with the accessory
only. The command levers may move or hydrau-
lic oil may spill accidentally and cause the ma-
chine to fall.
When the machine is checked or adjusted by two
people, one of them must commission the ma-
chine according to the signals given by the other
person.
Be sure to perform the track tension verification
on a firm and even surface. It is strictly forbidden
to be positioned under the machine for the dura-
tion of the operation.
3. Loosen the greaser.
4. Let the grease escape so that the track will extend.
5. Tighten the greaser.
Tightening torque : 49,0 N•m.
6. To check that the tension is correct, put the machine down
and move it gently forwards and backwards.
7. Check the tension again. If it is still not correct, adjust it
again.
8. Wipe off the excess grease with a cloth or equivalent.
9. Re-install the cover.
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