Cub Cadet 8454 Service Manual page 274

CHAPTER 6 8454
D. TROUBLE SHOOTING
Components
1. Hydraulic block Checking of hydraulic block
1. Install the pressure gauge on coupler socket assembly to check the
pressure value.
- Standard pressure value : 165 kg/cm
- Installation of pressure gauge: (ref. schematic diagram)
- when pressure is below 50 kg/cm
Ref.) Check the pressure by measuring the pressure gauge between
When using hydraulic block, please be noted that
- Use the external operating machine by turning the adjusting screw
- Use the 3 point link by turning the adjusting screw (5) to the OP direction.
(1) Plain Washer
(2) Adjusting Seam
(3) Poppet
(4) External Output Port
(5) Adjusting Screw
How to adjust the pressure of hydraulic block
- When below standard pressure, add the adjusting seam (2) to
adjust (check the pressure with pressure gauge).
- In excessive pressure (over 180kg/cm
6-80
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Trouble Checking
(engine rotation: 2,600 rpm).
hydraulic block.
port A and port B with external operating machine.
(5) to the CL direction.
(Hydraulic block)
( poppet (3) closed )
2 2
~ 190 kg/cm (2,347 ~ 2,700 psi)
2 (711 psi), replace or clean
569W6B1A
(A) A Port
(B) B Port
(C) In (Pump)
(D) Out
2
, 2,560 psi), poppet is open.
569W6B2A
( poppet (3) open)
Remark
D569-W02 May-2003