I-29
35 Series 4WD, Model - 3535, 4035, 4535 and 5035 SM June’08
Hydraulics
14. REMOVE, INSPECT AND INSTALL HYDRAULIC
RATE-OF-DROP VALVE
1. Open rate-of-drop valve and lower lift arms
completely.
2. Remove seat.
3. Remove cap screws (C) and remove rockshaft
control valve (A).
4. Remove three socket head screws (B). Firmly
grab tee handle and pull straight out, removing
rate-of-drop valve assembly from rockshaft
control valve.
5. Install new rate of drop valve and tighten bolts
to specified torque 19-29 Nm (14-21 Lb-ft.).
6. Install seat.
7. Operate hydraulic.
8. Fill transmission / hydraulic oil as per the
recommended grade and quantity.
9. Adjust hydraulic control valve.
Service Recommendation:
It is not recommended to repair Flow Control Valve.
Flow Control Valve should be completely replaced,
if internal problem suspected.
NOTE: Use O’Ring set (Seal kit - contains outer
O’Rings of flow control valve) of flow
control valve for replacement.
Use protective sleeve to install O’Rings
on flow control valve.
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