This instruction show you guide on how to remove control valve for Kubota U48-4 U55-5 excavator.
Preparations:
Takeuchi Excavator Workshop EPC+Service Manual 2018 PDF Files
2022 Kubota Takeuchi Diagmaster v22.08.01 v4.1.2 Software Free Download
Kubota EPC Spare Parts Catalogue 2021.06 Download
Procedures:
CAUTION
Removing the bonnet (right)
1.Open the bonnet (right) (4), remove the snap rings (1) and (2) in two locations, and separate the gas damper (3) and bonnet.
2.Slide the bonnet (right) (4) towards the front of the machine to remove.
CAUTION
(1) Snap pin – flat metal washer
(2) Snap pin – flat metal washer
(3) Gas damper
(4) Bonnet (right)
Removing the bonnet (right)
1.Remove the cover assembly (right) (1) mounting bolts (2) and remove the cover assembly (right).
(1) Cover assembly (right)
(2) Bolt (M10 x 25)
Removing the battery
1.Remove the retainer (battery) (3) fastening nuts (6), and remove the cover (battery) (2) and retainer (battery) (3).
2.Disconnect the battery cord (negative) (8) and battery cord (positive) (7) from the battery side, and remove the battery from the machine.
WARNING
When disconnecting the battery cords, be sure to disconnect the negative cord first. When re-connecting, connect the positive cord first.
(1) Battery (105D31L)
(2) Cover (battery)
(3) Retainer (battery)
(4) Bolt (battery)
(5) Flat metal washer
(6) Nut
(7) Battery cord (positive)
(8) Battery cord (negative)
Removing the hydraulic hoses
1.Attach the breather hose of the hydraulic fluid tank to the vacuum pump, and apply vacuum pressure to the hydraulic fluid tank.
2.Disconnect all hydraulic hoses and electrical wiring from the control valve.
CAUTION
Plug all disconnected hydraulic hoses, and affix identification labels on each for reassembly.
Removing the control valve
1.Fit an eyebolt (M10 pitch 1.25) (6) into the bracket (control valve) (1) bolt hole, and suspend the control valve assembly (2) by the crane.
2.Remove the mounting bolts (3) and (4) (six locations) of the bracket (control valve) (1), and remove using the crane.
Control valve weight :
Approx. 48 kg (110 lbs) (U48-4)
Approx. 59.5kg (131 lbs) (U55-4)
More repair case for Kubota,please refer to:Kubota Trouble Repair
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