2. OPERATION
– 40 –
– 41 –
1) Turn the unloader valve counterclockwise to
release it.
Refer to “Unloader valve” on page 36 for its
operation method.
2) Loosen
Ⓒ
: lock ring of
Ⓑ
: selector valve
counterclockwise. And turn
Ⓑ
counterclockwise.
3) Pull up and press the
Ⓐ
: knob of the pump
slowly. The brake can be released by pressing
it about 35 times. When the operation force
is felt heavy, the brake is released. Stop the
operation at that time. Continued oparation
may cause damage to the machine.
4) After towing is completed, turn
Ⓑ
clockwise
until it stops. And fix
Ⓑ
with the
Ⓒ
.
5) Turn the unloader valve clockwise to engage
the drive. Refer to “Unloader valve” on page
36 for its operation method.
WARNING
• Do not try to release the brake immediately
after a hot engine has been stopped. Let the oil
cool down.
• For the brake disengagement, wear hard hat ,
safety goggles and safety gloves.
2.2.4 Engine troubleshooting
Engine troubleshooting can be
conducted using the trouble code
selector switch.
During normal operation, do not
operate switches.
Set switch as shown in the figure
during the normal operation.
IMPORTANT
When operating the trouble code selector switch, see the engine manual.
2. OPERATION
– 40 –
2) Replacement of scraper
Ⓐ
(Nine pieces are mounted on both the top surface and
the undersurface for each in front of the machine.)
①
Remove bolts and nuts
Ⓑ
②
Replace scraper
Ⓐ
with new ones.
3) Change from DF to D types
①
Loosen bolts and nuts
Ⓑ
at 18 locations.
②
Adjust the scraper blade
Ⓐ
by changing its direction
so that it does not interfere the pads.
③
Retighten bolts and nuts
Ⓑ
at 18 locations.
④
Loosen bolts and nuts
Ⓓ
at 8 locations
⑤
Move the scraper blade
Ⓒ
to the undersurface at the
rear of the frame such that there is a gap by 20 mm
between the scraper blade
Ⓒ
and the drum.
⑥
Retighten bolts
Ⓓ
at 8 locations.
⑦
Loosen bolts and nuts
Ⓕ
at 8 locations.
⑧
Adjust the scraper blade
Ⓔ
by changing provide
a clearance of 20mm between scraper
Ⓔ
and the
drum.
⑨
Retighten bolts and nuts
Ⓕ
at 8 locations.
2.2.3 Disengaging the brake when towing
WARNING
• On a slope, chock the drums and prepare for towing before disengaging the
brake.
• Avoid a long-distance towing.
For towing the machine when the engine is disabled or when trouble has developed in the
hydraulic propulsion, system disengage the brake as instructed below:
SV540DF
SV540DF
(at the time of D type specification
)
Содержание SV540 Series
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