Lock-Up Rockshafts and Openers

CAUTION:

N39645
N39645-UN-06OCT88

Hydraulic failure can allow openers to fall rapidly, causing injury or death. To avoid hazard, always lock openers in raised position before adjusting, lubricating or servicing machine.

IMPORTANT: Hydraulic hoses between the lift cylinders and hydraulic lock-up valves should be inspected frequently for wear or damage. Contact your John Deere dealer for replacement hoses.

  • A43336A
    A43336A-UN-28FEB05

    Valve Shown in Closed Position

    A - Hydraulic Lock-Up Valve

    Hydraulic Lock-Up Valve:

    Fully retract rockshaft/opener cylinders and close hydraulic lock-up valve (A).

  • A47155
    A47155-UN-13JUN05

    A - Cap Screw

    Mechanical Lock-Up:

    If positive mechanical lock-up is needed, use cap screw (A) to lock each rockshaft cylinder.

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