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4...MAINTENANCE
3. Main Hydraulic Filter Replacement
The hydraulic oil filter must be changed after the first 50
hours operation. This filter has an indicator which
indicates a blocked filter. Change the filter when it
indicates a blocked condition or every 150 hours
whichever is first. To change the filter; shut off the engine,
lower the lift arms, ground any attachment and set the
parking brake. Open the rear door and using an oil filter
wrench remove the filter element (Fig. 4.6C). Lubricate
the new filter element with system fluid and reinstall.
4. Draining System Fluid:
Change the hydraulic oil:
1. after 1000 operating hours,
2. if the oil has become contaminated
3. after any major hydrostatic repair.
To drain the oil: remove the drain plug located at the
bottom of the reservoir (Fig. 4.6D).
Refill the hydraulic oil
reservoir with engine oil See Section 5 for appropriate
specifications).
5. Brake Service Override
A Service Override has been incorporated for use by
Thomas Dealers. The normal position of the plunger is
down and turned into the locked position.
4.7 ENGINE MAINTENANCE
1. Engine Specifications
Make . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Kubota
Model . . . . . . . . . . . . . . . . . . . . . . . . . . . V1505-E3B
No. of Cyls. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
H.P (kW)Gross . . . . . . . . . 35.5 (26.5) @ 3000 RPM
Max. Torque . . . . . . . . . . . . . . . . . . . . . . . 69.3 ft lbs.
. . . . . . . . . . . . . . . . . . . . . . . . (94 nm.) @ 3000 RPM
Displacement . . . . . . . . . . . . 91.41 cu. in.(1498 c.c.)
Max. High Idle . . . . . . . . . . . . . . . . . . . . . . . . . . 3000
Engine Oil Capacity . . . . . . . . . . . . 1.6 Gallons. (6 L)
Oil Pressure . . . . . . . . . . . . . . . . 28 - 64 PSI @ 3000
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . (193 - 441 kPa)
Injector Working Pressure . . . . . . . . 1991 - 2133 PSI
. . . . . . . . . . . . . . . . . . . . . . . . . . . (13. 7 - 14. 7 MPa)
Cooling System Capacity . . . . . . . . . . 3. 2 gal. (12 l)
Radiator Pressure Cap Setting . . . . . . 7 PSI (48 kPa)
Thermostat Rating . . . . . . . . . . . . . . . . 180
o
F (82
o
C)
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Full open
Alternator . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 60 A
OIL RESERVOIR DRAIN
C3177 FIG 4.6C
Main Hydraulic
Filter
C-734
FIG 4.6D
Service Override Plunger
C5531
WARNING
To avoid personal injury:
Stop, Cool and Clean the
engine of flammable
materials before
servicing. Never service
or adjust machine with
engine running.
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