Meyer ELECTRO LIFT E-57 Electrical And Pneumatic Circuit Diagrams Plus Diagnostic Flow Charts Download

Page: 3 / 6

SNOW PLOW LEAKS DOWN

Does the

snow plow drop

straight down?

Does the snow plow

drop and angle

to the left?

YES

SNOW PLOW WILL NOT LOWER

YES

Replace

"B" Check Valve

Does it now hold?

Replace

"B" Valve

Does it now hold?

Replace

Sump Base

Are "A" Valve O-rings

in good condition?

Does "A" Valve stem

move freely?

Replace O-Rings

Replace "A" Valve

Dissasemble unit
Inspect O-Rings,Cylinder,

Piston Assembly.

Does it hold now?

Sump Base

Dissasemble unit

Inspect O-Rings,Cylinder,

Piston Assembly.

Does it hold now?

Replace

Sump Base

Does "A" Coil

(Black Wire) have

magnetism?

Replace "A" Valve
Does it now lower?

Is there power to the

"A" Coil (Black Wire)

at harness?

Is there power leaving

the switch at the
Black Wire?

Is the Touchpad

plugged in completely?

Replace

"A" Coil

Check for a clogged

filter or a blocked

passageway.

(Lower Adj. Screw)

Check for Bent or

Siezed Ram

Assembly.

Replace

Touch Pad

Replace

Harness

Is Fuse

OK?

YES

Replace the fuse -

Check for short in

harness, "A" Coil,

Plug connections.

YES

Replace

Summary of Contents for ELECTRO LIFT E-57

Page 1: ...e with motor running 4 Proper rotation for the 4 1 2 motor Fenner Iskra is clockwise by looking at the motor shaft from the bottom of the motor 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 ad...

Page 2: ... Piston assembly Look for blockage in Sump Casting passages Can pump relief pressure be adjusted to 2000 P S I Are the Filters Clogged Clean or Replace Filters Is the motor turning the proper direction Check Brushes for proper installation or replace motor Replace the Pump Is the pump shaft turning tightly Does the motor armature turn tightly Replace the Pump Repair or Replace the motor Replace Fu...

Page 3: ...s Cylinder Piston Assembly Does it hold now Sump Base Dissasemble unit Inspect O Rings Cylinder Piston Assembly Does it hold now Replace Sump Base Does A Coil Black Wire have magnetism Replace A Valve Does it now lower Is there power to the A Coil Black Wire at harness Is there power leaving the switch at the Black Wire Is the Touchpad plugged in completely Replace A Coil Check for a clogged filte...

Page 4: ...le trying to angle snow plow Can the snow plow be angled by hand when the P A Rams are disconnected from A Frame Does the snow plow raise instead of angling left NO NO Relieve the interference between the Sector and A Frame NO Clean or replace the C Valve Retest Is the Pilot piston in good condition worn sloppy or missing Clean or replace the B Valve Retest Does pressure remain in angle hose when ...

Page 5: ...Replace O Rings Replace the P A Block YES Does the motor run when angle switch is pushed NO Replace Harness Replace Touch Pad Can the snow plow angle to the Left Does the snow plow raise instead of angling left NO NO Does the C Coil have magnetism Green Wire Is there power to the C Coil Green wire at harness Clean or replace the B Valve Retest NO YES Clean or replace the Crossover Relief Does the ...

Page 6: ...Crossover O Rings in good condition Are the Rams mushy Can you push the moldboard 6 to 8 by hand NO Replace O Rings Replace the P A Block NO Change Pilot Check Ball and Seat does snowplow now hold Inspect Crossover Relief Rebuild or Replace Does snow plow now hold angle Inspect C Valve O rings Change if necessary Does snow plow now angle YES YES YES NO Replace the P A Block YES NO Set Crossover Re...

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Meyer ELECTRO LIFT E-57, Electrical And Pneumatic Circuit Diagrams Plus Diagnostic Flow Charts

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