EP Equipment CQD16, Service Manual

Page: 233 / 251

219
REV. 07/2016
SERVICE MANUAL - MAST
A
A4-4 Lift Cylinder
A4-4.1 Cylinder Removal
Left Cylinder Removal (with mast down)
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-
-
-
-
Remove the mast from the chassis according
to Section A4-1;
Lay down the mast with lifting tools (with
outer mast underneath the inner mast), place
sleepers at both ends for supporting;
Disconnect the connections between two rigid
pipes (9, Fig 90614) and
fi ve-pass assembly
(2);
Unscrew the two bolts (1), and un
fi x the fi ve-
pass components (5);
Unscrew the joints on
fi ve-pass components
and separate it from straight coupling (3);
Hydraulic oil may damage truck parts and
contaminate the environment. When removing
joints or tubings, place a clean container under
it for discharge of hydraulic oil.
CAUTION
- Unscrew the bolt (6, Figure 90624) and
remove the cylinder clamp (7);
Before going on with the next step, please fix
the cylinder properly fi rst. Be sure to avoid the
falling of cylinder during removal, resulting in
personal injury.
CAUTION
-
- Unscrew the mounting bolt (8) from the
bottom of the cylinder;
Unscrew bolt (6) and remove the cylinder (4)
from the mast.
Right Cylinder Removal(with mast down)
-
-
-
Remove the mast from the chassis according
to Section A4-1;
Lay down the mast with lifting tools (with
outer mast underneath the inner mast), place
sleepers at both ends for supporting;
Remove the tubing (5, Figure 90621) to make
it separate from the direct coupling (6);
Hydraulic oil may damage truck parts and
contaminate the environment. When removing
joints or tubings, place a clean container under
it for discharge of hydraulic oil.
CAUTION
- Unscrew the bolt (6, Figure 90624) and
remove the cylinder clamp (7);
Before going on with the next step, please fix
the cylinder properly fi rst. Be sure to avoid the
falling of cylinder during removal, resulting in
personal injury.
CAUTION
-
- Unscrew the mounting bolt (8) from the
bottom of the cylinder;
Unscrew bolt (6) and remove the cylinder (4)
from the mast.
Full Free Middle Cylinder
(with mast on the vehicle)
-
-
-
Shift the mast forward to the bottom, press
the emergency stop switch and disconnect
the key switch;
Remove retaining shelf (see Section A4-6.1);
Block the truck wheels with wooden wedges,
raise the fork carriage for 500mm with lifting
tools, insert wooden block between it and the
ground for supporting;
Hydraulic oil may damage truck parts and
contaminate the environment. When removing
joints or tubings, place a clean container under
it for discharge of hydraulic oil.
CAUTION
-
-
-
Loosen the articulated joints (11, Figure
90614) to separate the middle cylinder and
rigid pipe assembly (13);
Disconnect the connections between the four
tubings (6, Figure 90626) around the middle
cylinder and rigid pipe assembly (7);
Remove the fork carriage chains according to
Section A4-2.2.2;