
MAINTENANCE
WEAR PARTS LIST
4-9
WEAR PARTS LIST
4
Replace wear parts such as the filter element or air cleaner element at the time of periodic maintenance or before
they reach the wear limit. The wear parts should be replaced correctly in order to ensure more economic use of
the machine. When replacing parts, always use Komatsu genuine parts.
As a result of our continuous efforts to improve product quality, the part number may change, so inform your
Komatsu distributor of the machine serial number and check for the latest part number when ordering parts.
WEAR PARTS LIST
4
The parts in parentheses are to be replaced at the same time.
Item
Part NO.
Part Name
Weight
kg
Q'ty
Replacement
frequency
Fuel filter
6732-71-6111
Cartridge
-
1
Every 500
hours service
Engine oil filter
6733-51-5141
Cartridge
-
1
Corrosion resistor
(if equipped)
600-411-1151
Cartridge
-
1
Hydraulic oil filter
113-60-43321
Cartridge
-
1
Every 2000
hours service
HST charge fIlter
714-07-28712
Cartridge
-
1
Air cleaner
600-185-2500
Element assembly
(inner and outer)
-
1
-
Air condi-
tioner
Fresh filter
14X-911-7750 Filter
-
1
-
Recirc filter
14X-911-7741 Filter
-
1
Summary of Contents for D31EX-21
Page 2: ......
Page 3: ...FOREWORD 11...
Page 52: ...PRECAUTIONS FOR MAINTENANCE SAFETY 2 34...
Page 237: ...SPECIFICATIONS 15...
Page 240: ...SPECIFICATIONS SPECIFICATIONS 5 4...
Page 251: ...INDEX 17...
Page 252: ...INDEX 7 2...
Page 255: ...COLOPHON 18...