JLG TF6-42 Service Manual Manuale d'uso
Pagina 420
Accurately clean the piston (9) and the seats of slide and seal.
Replace the O-rings (11) and (12) and the anti-extrusion rings (13)
and (14); make sure that the assembly side is correct.
CAUTION! Accurately check the positioning of the anti-extrusion
rings (13) and (14).
Insert the stroke automatic regulation springs (15); place them in
line with the piston (9).
Lubricate the seals (11) and (12) and fit the piston (9) into the arm
(3).
CAUTION! Make sure that the piston seat fits into the stop pin (A)
inside the arm.
Assist the insertion of the piston (9) by lightly hammering around
the edge with a plastic hammer.
Fit the pin screws (10) making sure that they are all of the same
colour. White: 1 mm gap
Yellow: 0.75 mm gap
Blue: 0.5 mm gap
Apply Loctite 270 to the thread.
Torque wrench setting: 5±7 Nm.
Fit the reversal springs (8) on the piston (9).
CAUTION! Pay due attention not to deform the connections of the
springs.
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a
b
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d
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HOW TO ASSEMBLE THE BRAKING UNITS - ASSEMBLAGGIO DEI GRUPPI DI FRENATURA - BREMSAGGREGATE MONTIEREN -
MONTAJE DE LOS GRUPOS DE FRENADO - ASSEMBLAGE DES GROUPES DE FREINAGE
F1240392
9
3
11
12
13
14
F1240393
9
15
15
F1240394
9
A
F1240395
9
F1240390
10
F1240389
9
8
8