1) Loosen mounting bolt (3) under alternator, mounting
bolt (4) of belt adjuster, and locking nut (5).
2) Slide the alternator to adjust the belt.
3) Tighten locking nut (5), mounting bolt (4) and mount-
ing bolt (3) and to secure the alternator.
4) Check the fan belt tension again.
If the tension is not correct, adjust it again.
5) Check each pulley for damage, wear of the V-groove,
and the wear of the V-belt. In particular, be sure to
check that the V-belt is not touching the bottom of the
V-groove.
Replace the belt with a new one if the belt is stretched and has no allowance for adjustment, or has
slipping sound or squeak because of cuts or cracks.
When replacing the belt with a new one, ask your Komatsu distributor to perform the work.
When the new V-belt is installed, readjust it after operating for 1 hour.
4.
Remove cover support lever (2) and fix it to the lever lock securely.
5.
Close engine hood (1).
EVERY 1000 HOURS MAINTENANCE
Maintenance for every 100, 250 and 500 hours should be performed at the same time.
METHOD FOR REPLACING HYDRAULIC OIL FILTER ELEMENT
k
k
WARNING
• Immediately after the engine is stopped, its parts and oil are still very hot and may cause burn in-
jury.
Wait for the temperature to go down, and then start the work.
• When removing the oil filler cap, the oil may spurt out. Turn it slowly to release the internal pres-
sure, then remove it carefully.
NOTICE
If the machine is equipped with a hydraulic breaker, the hydraulic oil deteriorates faster than in the nor-
mal bucket digging operation. Accordingly, perform the maintenance by referring to “MAINTENANCE IN-
TERVAL FOR HYDRAULIC BREAKER”.
1.
Open dirt cover (1).
Open dirt cover (1) fully and it will be secured by cover support lever (2).
RKA69000
MAINTENANCE PROCEDURE
MAINTENANCE
4-60
WENAM00241
Содержание PC80MR-5E0
Страница 2: ......
Страница 12: ...Do not repeatedly handle and lift loads VIBRATION LEVELS FOREWORD 1 10 WENAM00241...
Страница 70: ...GENERAL VIEW MACHINE EQUIPMENT NAME RKA67920 GENERAL VIEW OPERATION 3 2 WENAM00241...
Страница 76: ...11 Fusible link 12 Ashtray if equipped 13 Tool boxes GENERAL VIEW OPERATION 3 8 WENAM00241...
Страница 267: ...MAINTENANCE Please read and make sure that you understand the SAFETY section before reading this section 4 1 WENAM00241...
Страница 343: ...SPECIFICATIONS 5 1 WENAM00241...
Страница 394: ...WENAM00241...
Страница 395: ...REPLACEMENT PARTS 7 1 WENAM00241...
Страница 411: ......
Страница 412: ......