MHD56213 - Edition 7
3
INSTALLATION
Control Valve Replacement
Refer to Dwg. MHP2274 on page 16.
Replacement of K5B control valve with K5C2 control valve.
1.
Remove capscrews (102) and (255), and washers (196) from
exhaust flange cap (254). Discard gasket (317).
2.
Remove capscrews (951) and washers (949) from control
valve.
3.
Remove control valve from rotary housing and discard gasket
(317).
4.
Install gaskets (946) and control valve assembly (900).
5.
Install gasket (970) and exhaust cap (971) to rotary housing
on motor.
6.
Install fittings (957), (958) and muffler (959) on control
valve. These are optional parts.
(Dwg. MHP2232)
OPERATION
Winch Mounted Control Valve
Refer to Dwg. MHP1809 on page 3.
The spring loaded, live air, manual control valve mounts to rotary
housing.
To operate control valve, place palm of hand on control knob and
wrap fingers around flange of sliding handle. Squeeze fingers,
lifting sliding handle up to unlock control lever. Shift control lever
in desired direction to payout or haul-in wire rope.
As viewed from air motor end, move control throttle handle to the
right (clockwise) to payout wire rope and to the left
(counterclockwise) to haul-in wire rope. Avoid sudden movements
of control valve to ensure smooth operation of winch.
When released, handle will return to neutral or center position.
The sliding handle will drop down to engage and lock control
handle in place.
(Dwg. MHP1809)
Remote Mounted Control Valve (optional feature)
Refer to Dwg. MHP2043 on page 3.
Control valve may also be remote mounted. Base ports in control
valve are threaded to accept fittings for air line connections.
Control valve is secured using four mounting holes.
(Dwg. MHP2043)
Underwound Operation (optional feature)
Underwound operation is where wire rope haul-in or payout is off
the bottom of drum. This is a special operation and requires a
winch specifically designed for this usage.
Underwound operation requires a reverse bias valve installed in
the control valve.
Control valve operation will be opposite as shown in Dwg.
MHP1809 on page 3. As viewed from air motor end, lift slider
handle up to unlock control lever. Move control throttle handle to
the left (counterclockwise) to payout, and to the right (clockwise)
to haul-in.
9.75 in.
(247.6 mm)
4.88 in.
(123.9 mm)
1.62 in.
(41.15 mm)
4 x 0.44
(11.18 mm)
