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126
MAINTENANCE
Every 2000 Hours
Replacing the Hydraulic Oil and
Cleaning the Suction Strainer
¡
Stop the engine and allow the machine
to cool down before performing
maintenance.
• The engine, hydraulic lines and many
other parts of the machine are hot
directly after the engine is stopped.
Touching these parts will cause
burns.
• The hydraulic fluid is also hot and
under high pressure.
Be careful when loosening caps and
plugs. Working on the machine under
these conditions could result in
burns or injuries due to the hot oil
spurting out.
¡
Oil may spurt out if caps or filters are
removed or pipes disconnected before
releasing the pressure in the hydraulic
system.
• Gradually loosen the vent plug to
relieve tank pressure.
• When removing plugs or screws or
disconnecting hoses, stand to the
side and loosen slowly to gradually
release the internal pressure before
removing.
1. Slew 45
°
clockwise and set the machine
to the hydraulic oil level inspection posture.
Refer to page 107 “Inspecting the
Hydraulic Oil Level and Replenishing”.
2. Slowly turn the vent plug (1) to relieve tank
pressure, then remove.
3. Loosen the bolts and remove the cover
(2).
4. Remove the return filter (3).
5. Place a pan for catching the spent oil under
the drain plug (5).
Loosen the drain plug (5) and drain the
hydraulic oil.
6. Loosen the hose clip and remove the hose
(8).
7. Loosen the bolts, and remove the flange
(6).
8. Remove the suction strainer (7) and clean
it.
9. Clean the inside of the hydraulic tank.
10. Install the new return filter and suction
strainer (7).
11. Install the cover (2) and the flange (6).
12. Install the hose (8) to the flange (6).
13. Tighten the drain plug (5).
14. Insert hydraulic oil through the hole in the
vent plug (1), adding hydraulic oil to
between the upper limit (H) and lower
limit (L) of the sight gauge (4).
15. Follow the procedure next page
“Bleeding the air” to bleed the air from
the hydraulic oil circuit.
16. Set the machine to the hydraulic oil level
inspection posture and inspect the level
once the temperature of the oil has
dropped.
Refer to page 107 “Inspecting the
Hydraulic Oil Level and Replenishing”.
17. Pressurize the hydraulic tank.
Refer to page 108 “Pressurizing the
hydraulic tank”.
WARNING
1
2
4
7
5
6
3
8
F4G006
Содержание AF4E001
Страница 6: ...4...
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Страница 91: ...89 TRANSPORT Loading and Unloading 90 Securing the Machine 91 Cautions on Transporting 92...
Страница 151: ...149 Main Specifications 150 Machine Dimensions 152 Operating Range 154 Lifting Capacities 157 SPECIFICATIONS...
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Страница 154: ...152 SPECIFICATIONS Machine Dimensions J1K001 N L M D Q P J H K C F G A S E B R T U...
Страница 156: ...154 SPECIFICATIONS Operating Range J1K002 D J H K C F G A E B...
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Страница 167: ...165 OPTIONS Safety Signs Decals 1 No 03593 32200 2 No 03593 32300...
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Страница 175: ...173 INDEX...