JAW CYLINDER

TM 5-2420-222-20-1

HYDRAULIC SYSTEM - CONTINUED

JAW CYLINDER

Connected through high pressure oil lines to jaw direct linear valve.

Opens and closes backhoe bucket jaw.

BACKHOE CONTROL VALVE

Fed by high pressure oil line from pressure control valve via jaw direct linear valve.

Returns low pressure hydraulic fluid through oil lines via jaw direct linear valve to hydraulic oil filter relief valve.

Bank of six separate valves bolted together uses common hydraulic fluid supply and return oil lines.

Closed center design. Hydraulic fluid flows through valve only when operated out of neutral by moving backhoe

control valve levers.

Controls operation of backhoe boom, swing, bucket, crowd, and stabilizer cylinders through high pressure oil lines.

BACKHOE CONTROL VALVE-TO-JAW DIRECT LINEAR VALVE OIL LINE

Routes low pressure hydraulic fluid from backhoe control valve, to jaw direct linear valve-to-hydraulic oil filter relief

valve oil line.

TA242705

1-46