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November 2008
D-10
CHANGE THE OIL OF THE FRONT AND REAR
DIFFERENTIAL GEARS
To change the oil of the front and rear differential
gears:
-
Stop the machine on a level ground and engage the
parking brake.
PROTECT THE
ENVIRONMENT
Place a container of suitable size under the plug for
oil leaks.
-
Remove the plugs C, A and B, then allow the oil to
flow entirely.
-
Refit and tighten the plug C.
-
Top-up the oil through the hole B until it is at level
A.
-
Refit and tighten the plugs A-B.
Recommended oil:
- TRACTORENAULT THFI 208 LF SAE 80W
API GL-4 / FORD M2C 86 B / Massey Ferguson M
1135
B
Document 57.0009.0427
A
C
GTH-4017EX GTH-4514EX GTH-4013EX
Section 4 - Maintenance Procedures
D-11
BOOM CHAIN TENSIONING (GTH-4017EX -
GTH-4514EX)
To tighten the boom chains, follow the instructions
below:
-
Fully extend the boom and retract it by some 20/30
cm.
-
For tensioning the four chains under the first section
boom, remove the four locknuts (D) and loosen the
four nuts (E) using a 27 mm wrench.
-
Using a 27mm dynamometric wrench, tensioning the
chain until a maximum 50Nm value operating on the
nuts (F). (Tighten the nuts make sure the four chains
are tensioned at the same time).
-
Check that all chains have been equally tensioned;
on the contrary, repeat the procedure.
-
Lock the chain tensioners by means of a counternut
and locknut.
Change the chains if during the procedure described
above all threaded part of the screws have been used; in
this case, please contact the GENIE Service Centre.
TABLE D
B
B
B
B
D
E
F
A
A
A
A
51
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