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(Refer to previous page) 
Keep all hoses away from any areas where heat may be considered too extreme (such as exhaust manifold or turbo). Lines should not to be 
allowed to rub on any abrasive or vibrating surfaces. In some applications, 90° fittings on the solenoid valve are necessary to make hose 
mounting more flexible. After plumbing has been laid out on vehicle, install O ring fittings supplied to valve. Torque tight. Do not over tighten 
any fittings. Install O ring fittings on winch motor. Torque tight. Connect hose number two to port number two on the valve assembly. Attach 
the other end of hose number 2 to any port on winch. Connect hose number four to port number four on valve assembly and attach the other 
end of number four to the other port on winch. Torque both hoses (both sides) ¼ turn past finger tight.

Disconnect original (OEM) high pressure line from the power steering pump to the steering gearbox. If your truck has hydroboost brakes, you 
need to remove the high pressure line from the hydroboost to the steering box. NOTE: Low pressure line will normally have a hose clamp (Fig. 3).

NOTE:

 Make sure and reuse any 0 rings or seals from OEM tube fittings

NOTE:

 If the hand control unit is working backwards, simply reverse the black and white wire connectors on the valve assembly

CAUTION: 

Fluid will be lost from the system. 

Fig. 3

2121 Blount Road Pompano Beach, FL 33069        MileMarker.com        1.800.886.8647

PAGE 7

PLUMBING CONNECTIONS

Pump

Pump

pulley

Cooler

to pump

return 

hose

Cooler

tube

Gear to cooler

return hose

Master cylinder

assembly

Hydroboost

Hydroboost

to pump

return hose

Pump to

hydroboost

pressure

hose

Power steering

gear assembly

Hydroboost

to gear

pressure

hose

(Refer to Fig. 2 on previous page) 
Attach any O ring or seal from vehicle’s original tube fitting to tube fitting #3. Connect tube fitting #3 to power steering pump. Torque to 
vehicle factory specifications. Connect hose #3 to tube fitting #3. Torque ¼ turn past finger tight. Attach other end of hose #3 to port #3 on 
solenoid valve. Torque ¼ turn past finger tight. Attach any O ring or seal from vehicle’s original tube fitting to tube fitting #1. Connect tube 
fitting #1 to steering gearbox. Torque to vehicle factory specification. Attach hose #1 to tube fitting #1. Torque ¼ turn past finger tight. 
Connect the other end of hose #1 on solenoid valve. Torque ¼ turn past finger tight. 

If your application is supplied with an added cooler, remove (OEM) low pressure line from reservoir. Attach hose #5 to existing return line 
using male to male coupler and hose clamps supplied. Tighten hose clamps. Connect the other side of hose #5 to cooler supplied with hose 
clamp. Tighten hose clamp. Attach hose #6 to cooler and reservoir with hose clamps. Tighten hose clamps. Check fluid level. Replace lost 
fluid to system. System will need to be purged. Lift pin on free spool release on winch. Manually pull approximately 10 feet of cable off winch 
drum. Lock free spool pin back down. Add fluid until full. Start engine. Power winch cable out five feet. Shut off engine. Check fluid level. Add 
fluid until full if necessary. Start engine. Power winch cable into desired position. Turn the vehicle’s front wheels from lock to lock position five 
times (all the way to the right and then all the way to the left). This will aid in bleeding out any air that may have gotten into the system.

Summary of Contents for 70-50050C

Page 1: ...70 50080C 70 50050C 70 52000C Installation Operator s Manual H9000 H10500 H12000...

Page 2: ...LE OF CONTENTS Safety Warnings 2 Precautions 3 Getting Started 4 Attaching Valve Assembly 5 Wiring Instructions 6 Plumbing Connections 7 Winch Operation 8 2 Speed Lever Positions 9 Winching Tips Techn...

Page 3: ...ction to eliminate the possibility of cuts caused by burrs slivers from broken strands DRUM Always make sure that there are at least 5 complete turns of cable left on the drum before winching KEEP HAN...

Page 4: ...the drum After moving an item with the winch secure the item Do not rely on the winch to hold it for an extended period Examine winch before using Components may be affected by exposure to everyday we...

Page 5: ...asier on some winch mounts or for other applications The motor on Mile Marker 2 speed winches may also be rotated in 90 increments if needed This may allow easier installation on some winch mounts CAB...

Page 6: ...upplied Using the bracket as a guide mark the location of where the mounting holes are going to be drilled and remove the plate and drill two 2 holes Mount valve assembly using nuts bolts and washers...

Page 7: ...e front grill to mount the female 4 pole plug connector If desired the female 4 pole plug connector is connected to the winch with the top motor bolt If you choose to take the plug out of the box dril...

Page 8: ...roboost to pump return hose Pump to hydroboost pressure hose Power steering gear assembly Hydroboost to gear pressure hose Refer to Fig 2 on previous page Attach any O ring or seal from vehicle s orig...

Page 9: ...etrieved Secure winch after operation 1 For use in pulling objects other than self recovery park vehicle directly facing object to be winched Apply parking brake 2 Place transmission shift lever in N...

Page 10: ...EVERS WITH LOAD ON WINCH CABLE HIGH HIGH FREE FREE FREE FREE LOW LOW LOW GEAR HIGH GEAR WARNING DO NOT MOVE SHIFT LEVERS WHEN POWERING WINCH IN OR OUT LEVER POSITIONS AND WINCH MODES LEVER 1 LEVER 2 M...

Page 11: ...ake therefore no adjustment to clutch is needed to maintain load Store the remote control cord in a safe place when not in use to prevent use by children or other unauthorized persons who could injure...

Page 12: ...ble and equipment frequently The cable should be replaced immediately if any sign of burrs or broken strands are evident A frayed cable with broken strands should be replaced immediately Always replac...

Page 13: ...ULIC BOX W IP67 CONNECTOR B PUMP ADAPTER B GEARBOX ADAPTER C JOYSTICK REMOTE WITH P67 CONNECTOR D 4 HYDRAULIC HOSE ASSEMBLIES E 90 DEG 10 MORB 6 MJIC MOTOR FITTING F WIRING HARNESS KIT G 2062 8 6S 90D...

Page 14: ...E 34 5020 07 VALVE KIT 78 96 FORD FULL SIZE 97 98 F 250 F 350 34 KIT APPLICATION GUIDE PART NUMBER APPLICATION 34 5010 07H VALVE KIT 78 98 FORD FULL SIZE WITH HYDRO BOOST 34 5020 04 VALVE KIT 83 92 FO...

Page 15: ...days by the end user Warranty submissions must reference winch serial number to be valid Warranty will only be valid for the original purchaser of the winch and installed on the vehicle for which it...

Page 16: ...2121 BLOUNT ROAD POMPANO BEACH FL 33069 USA 800 886 8647 MILEMARKER COM INFO MILEMARKER COM...

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