JLG TF6-42 Service Manual Manuale d'uso
Pagina 556
Rotate stem (6) to centre the hole of the fulcrum pin (3).
Apply Loctite 242 to the thread of the fulcrum pin (3), screw and
tighten pin with a dynamometric wrench set to 25 ± 30 Nm.
Check that a clearance "A" is left between the lever (28) on the
cylinder side (resting against the adjustment dowel) and cylinder
(18).
If necessary, remove the lever, turn it by one tooth in relation to the
spline and repeat idle stroke elimination procedure.
Introduce pressure into the cylinder (4) and, with the levers (28)
resting against the adjustment dowels (27), screw rod (6) to engage
the quick release (7) in the slot.
Lock nut (17) in position against the stem of the piston (23).
Torque wrench setting for the nut: max. 40 Nm.
Release the pressure and check that piston (23) returns and stops
in a position where it projects out from the cylinder head (4) by 4 ± 5
mm.
Release the check unit (7) by giving a hammer blow to the external
ring.
Introduce pressure again and check that at the end of piston
stroke, the check unit (7) is actually engaged onto the rod (6).
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HOW TO ASSEMBLE THE EXTERNAL HYDRAULIC NEGATIVE BRAKE WITH QUICK RELEASE - ASSEMBLAGGIO FRENO NEGATIVO IDRAULICO ESTERNO CON
SBLOCCAGGIO RAPIDO - AÈUûERE HYDRAULISCHE NEGATIVBREMSE MIT SCHNELLENTSICHERUNG MONTIEREN - ASEMBLAJE FRENO NEGATIVO
HYDRAULICO ESTERNO CON SBLOQUEO RAPIDO - ASSEMBLAGE ET INSTALLATION DU FREIN NEGATIF HYDRAULIQUE EXTERNE AVEC DEBLOCAGE RAPIDE
F1240757
3
6
D1240094
A
18
27
28
F1240940
4
6
7
27
28
F1240941
17
23
F1240760
23
4÷5
mm
18
23
4
F1240761
7