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E-46, E-47 and E-57 ELECTRO LIFT
These charts are intended to be used as an aid in diagnosing problems on the Electro Lift
factory training and experience. Be certain to read the General Information and Testing Tips sections before attempting any trouble-
shooting.
Before any troubleshooting is started, make certain the following conditions are met.
1.
The moldboard is pointing straight ahead. This can often be done by coupling the left cylinder into the right cylinder and
pushing the moldboard by hand.
2.
The power angling cylinders must be installed correctly on to the A- frame. The left cylinder (Driver's side) has a hose
attached with a male half of a coupler at the end; the right cylinder (Passenger side) has a hose attached with a female half
of a coupler at the end.
3.
The solenoid coils must be on their proper valve. The "C" coil (green wire) must be next to angling fittings. The "B" coil
(red wire) is located to the front of the Electro Lift
of the unit. (See Drawing).
Many tests do not require removing the Electro Lift
using the Meyer Test Stand which allows direct pressure and amperage readings.
1.
Using a screwdriver or other small tool to check for magnetism of the solenoid coils "A", "B", "C". Place the tool on the nut
securing the coil and have an assistant operate the switch. You should feel strong magnetic attraction.
2.
Use a test light or volt meter to determine whether there is power at the harness or switch.
3.
When determining AMP draw of the motor, always obtain the highest value possible, i.e, at maximum raise or maximum
angle with motor running.
4.
Proper rotation for the 3" motor (American Bosch) is indicated by an arrow located on top side of the (Part # 15026) pump.
5.
The pump shaft of a good pump can be turned smoothly using two fingers. If it can't be turn easily, the pump is too tight
and must be replaced.
6.
Pump pressure can be measured at an angle hose (note pressure at full angle) or in the pressure filter port (an adaptor is
necessary for the filter port). Note: The E-57 Electro Lift
7.
Flush the complete system including unit, hoses and power angling rams with a non wax (Napthenic) cleaner. If kerosene
(Parrafinic) is used to flush the system, the system must be flushed again to remove any kerosene with a (Napthenic)
based cleaner that is wax free.
DIAGNOSTIC FLOW CHART FOR
General Information
TESTING TIPS
®
22092
Pressure Relief
Filler Plug
"B"
Coupler
Weather Cap
To Passenger Side
Power Angling Ram.
(Angle Left)
To Driver's Side
Power Angling Ram.
(Angle Right)
Unit. The "A" coil (black wire) is smaller and is located on the back side
®
unit from the vehicle. However, more thorough testing can be performed
®
Unit has a non adjustable pressure relief valve.
To Ignition Switch
(Accessory Side)
FUSE
20A
White
15680
To Motor
"C"
Ground
"A"
A2
+
Coupler
Weather Plug
UNITS
®
units. They are not a substitute for
®
Motor Solenoid
(Must be grounded)
To Positive
Battery Terminal
D1
-
1-634
May, 2003
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Related Manuals for Meyer E-46 ELECTRO LIFT
Summary of Contents for Meyer E-46 ELECTRO LIFT
- Page 1 However, more thorough testing can be performed ® using the Meyer Test Stand which allows direct pressure and amperage readings. Using a screwdriver or other small tool to check for magnetism of the solenoid coils “A”, “B”, “C”. Place the tool on the nut securing the coil and have an assistant operate the switch.
- Page 2 SNOW PLOW WILL NOT RAISE Charge Battery - Are all electrical Is there power Does the Clean and tighten connections clean going to Motor Operate? all electrical and tight? the motor? Connections. Is Battery Charged? Is there power Inspect Motor - leaving the Remove motor.
- Page 3 SNOW PLOW LEAKS DOWN Does the Does the snow plow snow plow drop drop and angle straight down? to the left? Replace Replace Replace "B" Check Valve "B" Valve Sump Base Does it now hold? Does it now hold? Are "A" Valve O-rings Replace O-Rings in good condition? Does "A"...
- Page 4 SNOW PLOW WILL NOT ANGLE LEFT See the Raise Can the snow plow Flow Chart Raise? Section Are the wires in Does the motor run Is there power to Is there power molded connector when angle switch the motor solenoid? leaving the switch? making contact with is pushed?
- Page 5 SNOW PLOW WILL NOT ANGLE RIGHT See the Raise Can the snow plow Flow Chart Raise? Section Are the wires in Does the motor run Is there power to Is there power molded connector when angle switch the motor solenoid? leaving the switch? making contact with is pushed?
- Page 6 SNOW PLOW WILL NOT HOLD ANGLE Set Crossover Relief to Is Crossover Relief set Are the Rams mushy? Are the "C" Valve Does the moldboard 3800 + 400 P.S.I. at 3800 + 400 P.S.I.? Can you push the moldboard O-Rings in poor hold left angle &...
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