MAINTENANCE
7-60
Replace High-Pressure Strainer
--- every 12000 hours
1. Park the machine on a level surface.
2. Lower the bucket to the ground.
3. Turn the auto-idle switch off.
IMPORTANT: The turbocharger may be damaged if the
engine is not properly shut down.
4. Run the engine at slow idle speed without load for five
minutes.
5. Stop the engine. Remove the key from the key switch.
6. Pull the pilot control shut-off lever to the LOCK posi-
tion.
CAUTION: Keep body and face away from cap (1).
Turn cap (1) slowly and remove the cap (1) only
after releasing the internal pressure completely.
7. Insert the wrench as shown and turn the wrench
clockwise and hold the wrench.
8. Turn cap (1)
counter-clockwise about 30
°
, at which
point stop cap to release the air.
9. Turn cap (1)
further and remove cap
(1).
10. Align the projected part of cap with the projected part
of the case and install cap
(1)
.
11. Remove bolts (2), cover (3) and strainer assembly (6)
from housing (7).
12. Discard O-rings ((4) and (5)) and strainer assembly
(6).
13. Install new strainer assembly (6) into housing (7) with
the rubber seal down and the welding bead line on
strainer assembly (6) away from the housing inlet.
14. Install cover (3) with new O-rings ((4) and (5)).
15. Install and tighten bolts (2) to 265 N
x
m (27 kgf
x
m, 195
lbf
x
ft).
16. Repeat steps 11 to 15 for the other strainer.
M18C-07-023
M110-07-022
M18C-07-025
M18C-07-047
2
3
4
5
6
7
Wrench 4 mm
Side Hole
Projection
Case Assembly
Projection
Arrow (b)
Cap (1)
Inlet
1
Rubber Seal
Welding Bead
Line Side
Summary of Contents for EX1900-5
Page 1: ......
Page 37: ...SAFETY SIGNS S 29 SS 411 SS 691 SS 442 M18C 01 006 SS 445 M144 07 107 ...
Page 38: ...SAFETY SIGNS S 30 SS 446 SS 723 SS3076117 SS 723 SS 410 SS 723 Loading Shovel ...
Page 39: ...SAFETY SIGNS S 31 SS3091476 M146 01 035 ...
Page 40: ...SAFETY SIGNS S 32 SS 413 M18C 01 007 M18C 01 008 ...
Page 42: ...SAFETY SIGNS S 34 MEMO ...
Page 112: ...DRIVING THE MACHINE 4 12 MEMO ...
Page 140: ...MAINTENANCE 7 8 MEMO ...
Page 146: ...MAINTENANCE 7 14 Hoses Q ty in Use Transmission Oil Cooler Hose 5 2 M18C 07 062 5 ...
Page 156: ...MAINTENANCE 7 24 4 Grouped Grease Fittings 7 Arm Ñ Lubrication M144 07 079 M144 07 005 7 ...
Page 258: ...MAINTENANCE UNDER SPECIAL ENVIRONMENTAL CONDITIONS 9 2 MEMO ...
Page 274: ...TROUBLESHOOTING 11 14 MEMO ...
Page 278: ...SPECIFICATIONS 12 4 MEMO ...