
53
CONTROLS
Levers and Pedals
Operating Levers
WARNING
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Be careful to check which pattern of
lever control arrangement you are
operating with before beginning
operations.
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The explanations in this manual are for
the ISO pattern.
Use these levers to operate the boom, arm,
bucket and upperstructure (slew).
Refer to page 68 “Lever Pattern”.
Refer to page 75 “Operating the Working
Equipment”.
Safety Lock Lever
WARNING
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Before leaving the operator’s seat,
raise the safety lock lever to engage
the lock and stop the engine.
If any controls should be touched
accidentally when the safety lock lever
is lowered, the machine will move
suddenly, and cause serious injury or
death.
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Note that the dozer blade control is not
locked, even when the safety lock lever
is set to the lock position. Do not touch
this control accidentally.
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Be careful not to touch the operating
levers when raising and lowering the
safety lock lever.
This device is for locking the hoe attachment,
auxiliary hydraulic control, slewing and
traveling.
When the lever is raised, the lever stand
springs up and the lever is locked.
Boom Lock Valve (2-Piece boom)
Serial No. 17510003 ~ 17512503
This valve blocks the hydraulic oil flow to
prevent the boom from lowering.
Lower the lever to engage the boom lock.
Raise the lever to disengage the boom lock.
L3B030
L3L023
L3B048
Summary of Contents for TB175
Page 7: ...4...
Page 9: ...6...
Page 157: ...154...
Page 160: ...157 MEMO...
Page 165: ...162 SPECIFICATIONS Operating Range Mono Boom L3K0021 J K H B A E F C D G...
Page 167: ...164 SPECIFICATIONS Operating Range 2 Piece Boom L3L032 J E F G C D K H B A...
Page 169: ...166 MEMO...
Page 183: ...180...
Page 223: ...220...
Page 224: ...221 INDEX...