- 27 -
(8) Install the plate, and install the upper spring into the drum in the same manner as (6) to (7).
(9) Follow the procedure given in Section 13-3. "Common reassembly method".
13 -3 . C o mmon r easse mbl y met hod
(1) Check the top spring does not project out from the drum top, then attach the drum cover to the drum.
(2) Attach the bracket to the spindle so that the tapped hole of the bracket faces to the hole of the spindle,
then tighten the hexagon socket set screw and fix with the hexagon nut.
(3) Rotate the drum in the payout direction by hand and check the drum has winding torque.
(4) Install the hose.
Refer to Chapter 5. "Hose Connection" (page 9).
(5) Adjust the spring tension.
Refer to Chapter 6. "Spring Tension Adjustment" (page 11).
13 -4 . Spr i n g di sposal
The spri ng i s d anger ous due t o rem ai ni ng t ensi on even i f i t i s broken.
Wel d st eel pl at es t o t he spri ng even i f t he spri ng i s i n t he spri n g case i n or der t o
prevent t he s pri ng f rom expansi on bef ore di sposal .
Never use gas w el di ng, onl y use arc w el di ng.
・
For the spring already welded during
disasembly, check the welding is sound
and will not break due to rough handling.
If not, weld steel plates to the spring
again.
・
For the spring with the spring case, weld
steel plates to the spring in order to
prevent the spring from expansion.
Use steel plates with enough length to
cover the spring case, and weld along the
whole length.
NOTE: Wipe off all grease from the spring surface to avoid grease combustion.
・
Give a warning to disposal companies that the spring will expand explosively if the welding is
broken due to rough handling.
Ｓｐｒｉｎｇ
Ｓｐｒｉｎｇ ｃａｓｅ
Ｗｅｌｄ ｂｏｔｈ ｓｉｄｅｓ．
Ｓｔｅｅｌ ｐｌａｔｅ
Figure 32
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