Kubota U27-4 Maintenance Chart

RECOMMENDED LUBRICANTS
Recommendation Filled at the factory
Ambient
Quality
temperature Viscosity Brand Type
standard
conditions
In winter and/or at SAE 10W
When diesel fuel with a high sulphur content (between
low temperatures SAE 20W
0.50% and 1.00%) is used, the engine oil and engine oil
filter must be replaced at shorter intervals.
API CF*
In summer and/or SAE 30
Engine oil API CI-4*
Never use diesel fuel with a sulphur content exceeding
at high ambient SAE 40
API CJ-4*
1.00%.
temperatures SAE 50
All-weather 15W-40* Shell Rimula R4L*
G048*
SAE J1034* Hightec Always use distilled water to mix with antifreeze. Always
Coolant MB 325.0* ROWE Antifreeze AN follow the recommendations of the coolant manufacturer
ASTM D3306* (-37 °C)* for the mixing ratio. Do not mix with other coolants.
D4985
DIN 51825
NLGI-2* Mobil Mobilux EP2*
KP2K-30*
Grease
Antiseize Only use during the first 50 working hours (on all greasing
NLGI-1 WEICON
Standard points around the swing block).
In winter and/or at ISO 32
Shell Tellus S2M46*
low temperatures ISO 46*
Hydraulic
In summer and/or
oil
ISO 46
at high ambient
ISO 68
temperatures
In winter and/or at SAE 75
low temperatures SAE 80
In summer and/or
SAE 90
Gear oil MIL-L-2105C*
at high ambient
SAE 140
temperatures
All-weather 80W-90* Shell Spirax MA80W*
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
EN 590
Diesel minutes.
ASTM D975
Never use diesel fuel with a sulphur content exceeding
1.00%.
Refrigerant HFC R134a
* This lubricant is filled while manufacturing the engine.
EXCAVATOR ( NA VERSION )
Note
U27-4
6
6
6
2
6
6
DAILY CHECK
No.
1
Daily
2
3
4
5
4 7
6
7
8
9
5
Check track tension 50 hours after initial use and readjust if necessary.
Track adjustment
8
Machine position when checking oil level.
1
SERVICE HOUR METER
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.
C:_01
3
C:_02
C:_03
C:_04
C:_05
C:_06
C:_07
6 9
C:_08
C:_09
C:_10
●: First operation
KUBOTA Corporation 2018
Item Note
Coolant Check the coolant level in the recovery tank and replenish water if needed.
Fuel Check the fuel level and replenish if needed.
Engine oil Check the engine oil level and replenish if needed.
Hydraulic oil Check the oil level in the oil level gauge and refill the oil if necessary.
Washer liquid (only CABIN type) Check the washer liquid level and replenish if needed.
Lubrication Points Replenish grease to the grease nipple by a grease gun.
Clean the fins with compressed air (or steam).
Radiator and oil cooler Check the rubber hoses for damage and replace if cracked or old.
Check if the hose clamps are tight enough.
Check if flammable substances are on the muffler or the engine.
Engine and electrical wiring
Check disconnections, shorts or loose terminals.
Press the fan belt down in the middle, with a force of approx. 7 kg (15.41 lbs).
Fan belt tension
The belt tension is correct if it deflects about 7 mm (0.28 in.).
10 to 15 mm
Rubber
0.39 to 0.59 in.
75 to 80 mm
Steel
3.0 to 3.2 in.
Boom : Half-extended state
Arm : Vertical to the ground
Bucket : Parallel to the ground
Swing : Central
Blade : Down to the ground
Hours of operation indicator
Check items Tasks
50 100 250 500
Engine oil ○
Hydraulic oil
Outer element
Air cleaner
elements
Inner element
Fuel filter cartridge Replace ○
Engine oil filter
○
Drive motor gear oil
● ○
Hydraulic oil return filter ○
Hydraulic oil suction filter
Track roller oil, front idler oil Replace
Printed in Japan 2018. 03, H, EI, EI, engusa Printed in Japan 2018. 03, H, EI, EI, engusa
Capacity
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)
33 L (8.7 U.S.gals)
3.6 L (0.95 U.S.gals)
Tank: 22 L (5.8 U.S.gals)
Whole oil system:
37.5 L (9.9 U.S.gals)
(A)
(1) (2) (3)
(1)Drive Sprocket (2)Track Roller (3)Idler
Rubber Crawler Steel Crawler
(A)
(A)
Maintenance indicator:
Maintenance
intervals
750 1000 2000
○ ○ Every 500 hrs
Every 1000 hrs
○ ○
Every 1000 hrs
○ ○
○ ○ Every 1000 hrs
○ ○ Every 500 hrs
Every 500 hrs
○ ○
Every 500 hrs
○ ○
○ Every 500 hrs
○
○ ○ Every 1000 hrs
Every 2000 hrs
○
Code No. RY923-26130 Code No. RY913-26130
KiSC issued 03, 2018 A