Daily
KUBOTA Corporation 2018
* This lubricant is filled while manufacturing the engine.
RECOMMENDED LUBRICANTS
Filled at the factory
Recommendation
Note
Type
Viscosity
Quality
standard
Brand
Ambient
temperature
conditions
15W-40*
NLGI-2*
Shell
Rimula R4L*
All-weather
In winter and/or at
low temperatures
SAE 10W
SAE 20W
API CF*
API CI-4*
API CJ-4*
Engine oil
In winter and/or at
low temperatures
When diesel fuel with a high sulphur content (between
0.50% and 1.00%) is used, the engine oil and engine oil
filter must be replaced at shorter intervals.
Never use diesel fuel with a sulphur content exceeding
1.00%.
SAE 30
SAE 40
SAE 50
In summer and/or
at high ambient
temperatures
80W-90*
Shell
Spirax MA80W*
All-weather
SAE 75
SAE 80
MIL-L-2105C*
Gear oil
In winter and/or at
low temperatures
SAE 90
SAE 140
In summer and/or
at high ambient
temperatures
ROWE
Hightec
Antifreeze AN
(-37 °C)*
G048*
SAE J1034*
MB 325.0*
ASTM D3306*
D4985
Coolant
Always use distilled water to mix with antifreeze. Always
follow the recommendations of the coolant manufacturer
for the mixing ratio. Do not mix with other coolants.
EN 590
ASTM D975
Diesel
Hydraulic
oil
The fuel filled at the factory is not winter diesel. For
preparing the excavator for use in winter, fill the fuel tank
with winter diesel and allow the engine to run for a few
minutes.
Never use diesel fuel with a sulphur content exceeding
1.00%.
HFC R134a
Refrigerant
Mobil
Mobilux EP2*
DIN 51825
KP2K-30*
Grease
NLGI-1
WEICON
Antiseize
Standard
Only use during the first 50 working hours (on all greasing
points around the swing block).
ISO 32
ISO 46*
Shell
Tellus S2M46*
In summer and/or
at high ambient
temperatures
ISO 46
ISO 68
U27-4 EXCAVATOR (NA VERSION)
5
6
6
6
2
6
6
8
6
9
3
1
7
4
Item
Note
Capacity
No.
Coolant
Check the coolant level in the recovery tank and replenish water if needed.
Radiator:
Canopy 2.4 L (0.63 U.S.gals)
Cabin 2.6 L (0.69 U.S.gals)
Recovery tank:
0.6 L (0.16 U.S.gals)
1
Fuel
Check the fuel level and replenish if needed.
33 L (8.7 U.S.gals)
2
Engine oil
Check the engine oil level and replenish if needed.
3.6 L (0.95 U.S.gals)
3
Hydraulic oil
Check the oil level in the oil level gauge and refill the oil if necessary.
Tank: 22 L (5.8 U.S.gals)
Whole oil system:
37.5 L (9.9 U.S.gals)
4
Steel
Rubber
Track adjustment
10 to 15 mm
0.39 to 0.59 in.
75 to 80 mm
3.0 to 3.2 in.
Check track tension 50 hours after initial use and readjust if necessary.
(A)
(A)
(A)
(1)Drive Sprocket
(3)Idler
(1)
(2)
(3)
Rubber Crawler
Steel Crawler
(2)Track Roller
Machine position when checking oil level.
●
: First operation
Washer liquid (only CABIN type)
Check the washer liquid level and replenish if needed.
5
Lubrication Points
Replenish grease to the grease nipple by a grease gun.
6
Radiator and oil cooler
Clean the fins with compressed air (or steam).
Check the rubber hoses for damage and replace if cracked or old.
Check if the hose clamps are tight enough.
7
Engine and electrical wiring
Check if flammable substances are on the muffler or the engine.
Check disconnections, shorts or loose terminals.
8
Fan belt tension
Press the fan belt down in the middle, with a force of approx. 7 kg (15.41 lbs).
The belt tension is correct if it deflects about 7 mm (0.28 in.).
9
DAILY CHECK
SERVICE HOUR METER
Boom
Arm
Bucket
Swing
Blade
: Half-extended state
: Vertical to the ground
: Parallel to the ground
: Central
: Down to the ground
When the hour meter has counted up to the hours mentioned in the maintenance list below,
the right indicator will appear on the instrument panel.
No.
Check items
Tasks
50
Hours of operation indicator
Maintenance
intervals
100
250
500
750
1000
2000
Replace
Replace
○
○
Every 500 hrs
Engine oil
C:_01
○
Every 1000 hrs
Hydraulic oil
Outer element
Inner element
C:_02
○
Every 1000 hrs
Air cleaner
elements
C:_03
○
Every 1000 hrs
○
○
Every 500 hrs
Fuel filter cartridge
C:_04
○
○
Every 500 hrs
Engine oil filter
C:_05
○
●
○
Every 500 hrs
Drive motor gear oil
C:_06
○
○
Every 500 hrs
Hydraulic oil return filter
C:_07
○
○
○
○
○
○
○
○
○
○
Every 1000 hrs
Hydraulic oil suction filter
C:_08
C:_09
○
Every 2000 hrs
Track roller oil, front idler oil
C:_10
Maintenance indicator:
Printed in Japan 2018. 03, H, EI, EI, engusa Code No. RY913-26130
KiSC issued 03, 2018 A
