Ashland Earthmovers I-900, Parts Manual

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IMPORTANT: This Hyd. Manifold was intergrated into production April, 2006
It replaces A125070 valve.
For older machines see master parts book on Ashlandind.com.
HYDRAULIC MANIFOLD ASSEMBLY
A125174
S.N. 21403 & above
ITEM # PART NO. DESCRIPTION
1 A125162-01 CENTER BALANCE CARTRIDGE
2 A125162-02 SEQUENCE CARTRIDGE
SETTING THE APRON AND PUSHOFF VALVE
The manifold block containing the pushoff sequence valve cartridge and apron sequence valve car-
tridge is used to control two hydraulic circuits with one hydraulic remote. when the tractor hydraulic remote
is activated, oil flows first to the apron cylinders until they are fully extended. Once the cylinders are fully
extended, the apron circuits’ hydraulic pressure begins to increase. Once the pressure threshold is sur-
passed (which is adjustable. See adjustment section), the sequence valve diverts the oil flow to the pushoff’s
hydraulic circuit. Once the push off is completely extended the operator then reverses the tractors hydraulic
remote. The counterbalance valve will hold the apron open until the push off is fully retracted. The Apron
sequence valve then opens and allows the apron to close.
Setting the valves:
STEP 1 PUSHOFF SEQUENCE VALVE
Loosen the lock nut (9/16”) on the sequence valve cartridge. Turn the setscrew (4mm) clockwise
until the front apron rises before the push-off begins to advance. (Earthmover should be empty) Turn the
adjustment screw an additional 1/4 turn clockwise and tighten jam nut.
STEP 2 Counter Balance VALVE
Loosen the lock nut (9/16”) on the counterbalance valve cartridge. Turn the setscrew (4mm) coun-
ter-clockwise until the apron holds in a raised position while rear gate is being retracted. Turn adjustment
screw an additional 1/4 turn, tighten jam nut. DO NOT tighten adjusting screw more than necessary.