Disconnect the battery while working on the
vehicle.
Do not lift weights that you're uncomfortable
with.
Do not drink or use drugs while working on
your vehicle!
Four Tons of Fun can get you in serious trouble. At 7700lbs.
soaking wet, our F-350 is one Big Truck! Getting our butts out of the proverbial sling while deep in Baja, far from the nearest AAA operator won't happen at the notion of high floatation tires or better than average driving skills. Honestly, in the humble opinion of this off-road veteran, if you plan on venturing off the pavement in a serious way, a vehicle of this size absolutely needs a recovery system capable of pulling the vehicle's GVWR+ out of the nastiest situation.
Fortunately for us, the kind folks at MileMarker stepped up to the needs of Project Great White with sponsorship via a full-on, 12,000lb. hydraulic winch system. What?
Hydraulic? Yep, unlike the more common, electric winch systems, this unit is powered by a hydraulic motor that derives its
power from the power steering pump attached to our mighty
PowerStroke Diesel. "So why is this better?" you ask. Well, right
of the top of my head, I can envision long duration pulls to be a
much more reasonable practice than with an electric unit even while
UNDERWATER!. Hydraulic motors have an incredible life cycle. Same
with power steering pumps.
Can you say the same for an electric
motor under severe load? The MileMarker unit is sealed from the
elements. Yes, it works underwater as well as above. I don't want
to start a debate here, as we'll solve this riddle next month when
we cover a 12,000lb winch "Pull Off" between our MileMarker and a
very popular electric unit so, let's move on to the installation.
Our 70-52000C model, landed on our doorsteps on a mini pallet. The
kit included an incredibly stout front bumper and grille guard that
acts as a winch mounting platform, numerous hoses, a remote
solenoid control valve, hose fittings, nuts, bolts and others
items. The net weight of this package is just over 200 lbs. All
components are first class. MileMarker seems to have the corner on
super tough industrial grade fasteners. Most every item was rated
extremely high, including the washers.
Out of the box and
ready for bolt-on. The kit consists of high pressure hoses, the
hydraulic valve assemble, various fasteners, the stout mounting
bumper and the winch itself. All told, just over 200lbs. are added
to the front of the vehicle.
Nothing but the best
fasteners are used on this kit. Take these cadmium plated,
hardened, "Grade #8" items for example.
On our F-350, the first order of business involves removing the
front bumper and tow hook assembly. Note, that we left the bottom
valance apron in place as the limited re-insert, plastic fasteners
holding same are best accessed with the bumper laid open from the
chassis.
An early surprise on our rig was the proliferation of
Metric fasteners. Just about every fastener we touched on the
mighty Ford was measured in millimeters. Before you start this
project on your rig, we strongly advise you to stock up on high
quality, metric wrenches and 1/2" drive sockets.
Remove the 4 bolts
holding the massive F-350 front bumper. Leave the apron fasteners
attached for now.
Remove the 6 bolts (3
per side) and the tow hooks. The winch bumper mounting rails will
be attached here.
The winch bumper attaches to rails that are fastened to the
F-350 frame using the former tow hook mounts. I can't think of a
stronger or more accessible point to attach to the
chassis. Now, I'm are pretty "anal" about details and I
wanted to make sure that the installation was perfect. So, I
puckered up and proceeded with the details.
Attach each rail and put a light but, not "tight" torque on the
fasteners. This allows for easy yet, small and accurate movements
for alignment, care of my favorite nylon mallet.
Once the "eyeball" was comfortable, I used a Carpenter's Square
to insure that the rails were perfectly aligned to the truck
chassis.
With the help of Stormin' Norm, we raised the winch bumper into
place for the "test fits" to insure that we had a sure fit on final
assembly.
Looking good, we then attached all fasteners and lightly
torque'd them as described in step #1.
We double checked the clearances across the winch bumper and
then removed it.
After re-attaching the stock bumper we then raised the winch
bumper into place and torque'd the fasteners to spec. Not a hair
could pass between the mounting rails and the vertical bulkhead of
the bumper. Call that "AR Satisfaction".
The same winch bumper rails provide "perfect fit"
accommodations for the stock tow hooks.
Use a carpenters
square to align the bumper mounting rails then lightly tighten the
fasteners in the holes previously used for the
towhooks.
The rails should sit
perfectly flush against the side of the winch bumper vertical
bulkheads.
The bumper weighs in excess of 100 lbs and must be held in place
while fasteners are placed. Make sure you have a strong helper for
this task.
Wow! The F-350 is already intimidating. With this extra steel up
front, even the most brave, road rager will steer clear when
we enter traffic.
Install all fasteners
and tighten to spec.
Note: carefully remove the pressed in, plastic fasteners on the
valance apron with a common, claw hammer and screwdriver. The
fasteners must be re-used in the best possible
condition.
Drive the vehicle
over uneven road surfaces and around town for approximately 50
miles, adjust alignment as necessary and re-tighten all
fasteners.
With the bumper firmly in-place, the next order of business is the
placement of the winch mechanism and motor. And here folks, we find
a few problems and present rules to remember on assembly. Trick #1.
Do not use washers on the inside of the fairlead bolts. The winch
mechanism sits so close to the front of the mount that washers will
raise the exposure of the head bolts and misalign the mounting
holes for the winch.
The fairlead bolt
should be inserted without a washer on the winch side of the
bumper, or the winch will not align with the mounting
holes.
Remember ol' Norm? We had him grow a third hand because it takes
five to lower the winch onto the bumper and guide the coiled
winch cable in place through the fairlead. Trick #2. Anchor the
cable outside the fairlead at first opportunity. Fasten the winch
assembly to the bumper.
DOH!! The mounting holes do not line up! No
problem, a stout drill, a slightly oversize drill bit and a liberal
amount of cutting oil will open the hole to provide alignment.
What'ya bet, that MileMarker has this fixed on your install?
You'll need four or
more hands to place the winch on the bumper without unraveling the
cable. Once in place the winch cable should be secured outside the
fairlead.
Oops! Not all of the
mounting holes were in alignment. We drilled out and de-burred this
hole to make the fit.
All the heavy lifting is done and it's time for technical
craftsmanship. The trick at this step of the project is locating
the proper mounting point for the control solenoid. The F-350
engine compartment is complex and crowded. The front of the truck
is a very efficient airdamn that offers little in the way of
passages for routing the hydraulic hoses. To get the proper access
as well as a perspective of the best control valve mounting points,
we removed the large plastic tray assembly for the air filter
system, snorkel and second battery.
Do not be intimidated, this
entire assembly is attached by no more than 8 bolts. Once out of
the way, even a ham handed guy like myself can squeeze grapplers
into the many tight space areas to perform the job.
To access
the power steering box and mount the control valve, you must remove
the battery and air filter box. Take extreme care with all battery
leads to prevent an electrical fire. As a practice, I tape the
positive (+) lead excessively with durable tape while I am working
in the surrounding area.
Four hydraulic hoses are included with the milemarker kit. Two
hoses run from the winch motor to the valve, and two from the valve
to the vehicle's power steering system. Since our rig is Diesel
Powered, the power steering pump also serves as a boost mechanism
to the vehicle's brakes.
This is commonly called a "Hydraboost
System". MileMarker places the solenoid control valves into the
vehicles power steering system, between the hydraboost mechanism
and the steering box. Attach the new hose to the steering box
leaving the fasteners loose. Note: it is almost impossible to avoid
a power steering fluid spill at this step. Insure, that you have a
drip pan in place to protect the garage floor as well as the
endangered, spotted, ring-nosed, hermaphrodite whale that may be
affected if the demon, fluid spill finds itself mysteriously
into the gutter, then the flood control system and on to the
ocean via transcontinental river system. Most of all, watch out for
the Green Police!
Identify the original
hose from the steering box to the hydraboost assembly (power
brake). This is the steering box side. Remove the hose at this end
first.
Note: Spillage of power steering fluid will occur at this point.
Make sure you have a drip pan in place to protect the
floor.
The new hose in
place. Place the opposite end of this hose above the motor
temporarily, to prevent further fluid spills.
Disconnect the same factory hose at the Hydraboost system and
attach the other hose from the control valve. Leave the fittings
loose.
Remove the old hose
at the hydraboost assembly.
Note: Pry apart the various hose routing clips and consider re-use
of the chaffing buffer material.
The new hose
attached.
Note: this image was taken with the air filter and battery box
re-installed.
Make sure that the Freewheel Orifice Checkplate is placed in the
control valve behind the hose that is fastened to the top port of
the winch motor. With all lines routed and installed, wiggle the
control valve into the most optimum mounting
position. Test-fit the battery and airbox tray back to insure
that proper clearances between all points are available. Once you
are satisfied, permanently fasten the control valve mounting
plate and valve assembly.
Make sure that the
"Freewheel Restrictor Orifice Plate" is inserted in the valve where
the hose from the top fitting of the winch hydraulic is attached.
The slotted side of the orifice plate should face outwards.
Consider marking one of two hoses between the valve and the winch
motor for identification.
With all hoses routed
and attached (fastened lightly) to the valve, choose and attach
your mounting location and secure the valve.
Make sure that the battery and air filter box as well as the air
inlet snorkel have adequate clearance. The proper fit will require
considerable trial and error steps before you attach the valve
mounting plate to the bulkhead.
Since our plate was mounted in a blind location, we chose to use
self tapping screws to mount the valve mounting plate.
Torque all hose fittings per spec. Reinstall the battery and
airbox tray and refill the power steering pump reservoir. It goes
without saying, that all hydraulic hose runs should avoid sharp
metal and plastic abrasion points. Yes, even plastic can wear
through a stout rubber hose when pressure is applied at the right
angle. As an extra step, we will return to our installation after
putting a few hundred miles on our vehicle to make sure that
hoses have not settled into dangerous positions. If they have, we
will use top quality, rubber insulated hose mounting clamps to pull
the hoses into protected locations. We'll cover this step along
with the wireless system installation next month. Stay tuned.
Route hoses away from
sharp metal or plastic areas.
Re-inspect all hose runs after they have settled into place or
approximately 200 miles. Consider using rubber insulated mounting
clamps to further route hoses properly.
Our system is now
completely plumbed and leak free.
Electrical connections for the MileMarker hydraulic winch system
are extremely simple. Quality connectors, wire and zip ties are
provided. Use them! We chose to mount our hand control receptacle
up front on the bumper. A quick trip to the Trailer Supply store
offered the proper size and color in mount. We used surplus,
stainless fasteners from the winch kit to make this part of the
install "AR Tech, perfect".
Our semi-final
electrical connections are tidy and safe. Solderless connectors are
used throughout.
We will further secure the electrical work when we add the wireless
system next month.
We purchased a
standard, trailer light jack, mounting plate to fasten our wired,
remote control receptacle to the bumper.
Follow the instructions on bleeding air from your power steering
system. Clean up your mess and you're finished. Once we have proven
the system to be leak free as it appears, we will flush the entire
power steering system to insure that we have a common fluid base
with all possible contaminants purged.
Our installation is
complete. We are ready for next month's "Winch Pull Off" where we
place the Mailemarker Hydraulic against a similarly rated electric
winch.
This image depicts
the approach angle with standard vehicle ride height. Our
suspension mods and tire/wheel upgrades will raise the bumper
height by approximately 10 inches.
What's next? Enjoyment of a cold beer and a
comfortable chair in the semi-well lit yet, plush garage at ORC
headquarters. Seriously, we will place our MileMarker Winch System
against a well known electric winch of the same capacity on a
similar truck platform for the first ever, "Off-Road.com Winch Pull
Off". The folks at MileMarker seem to be extremely confident. In
early conversation, with a snicker in their voice, they insured me
that they would pay for any damages on the electric winch vehicle.
I I think their confidence is well grounded. My guess is that
the electric unit will become a smoking heap of ozone spewing wires
and insulation. We shall see for sure. Stay tuned!
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