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Meyer E-58H, Service Manual

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Replacement of Hydraulic Fluid

After a season’s use, completely drain the hydraulic 

fluid (including hydraulic fluid in hoses and cylinders). 

Drain fluid through filler hole shown in Figure 0-1 or 

drain  hole  in  base  by  completely  retracting  lift  rod 

and unbolting unit to pour fluid out or using a suction 

pump.    Disconnect  the  fittings  at  the  Angling  and 

Mount  (E-88  only)  cylinders  and  completely  retract 

the cylinder rods and purge cylinders and hoses of all 

hydraulic fluid. Flush the complete system including 

unit, hoses and angling rams with the M-2 Flushing 

Fluid, or 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 

M-2 Flushing Fluid, or a (Napthenic) based cleaner 

that is wax free. 

Refill E-58H, E-78 & E-88 unit with M-1 Fluid by fully 

retracting lift rod (Ram) and filling reservoir to 1-1/2 “ 

below the filler hole.  Fill and bleed hoses and Power 

Angling and Mount (E-88 only) cylinders by loosening 

hydraulic  fittings  at  cylinders  until  they  leak.  Power 

angle  plow  repeatedly  from  one  side  to  the  other 

until fluid flows steadily from the leaking fittings while 

maintaining  a  constant  check  on  the  reservoir  fluid 

level. Repeat for mounting (E-88 only) cylinder.

Raise and lower the plow several times and with lift 

rod fully retracted, give a final check to the fluid level 

and replace filler plug.

Filters

Clean the two filters located in base of unit and power 

angling block with mineral spirits or equivalent and 

blow out with compressed air. See Figure 0-1 for filter 

locations.

Protection Against Rust and Corrosion

When  the  E-58H,  E-78  &  E-88  unit  is  not  used  for 

extended periods, protect the chromed lift rod (Ram) 

by  fully  extending  it  and  coating  it  with  chassis 

lubricant. Full extension of the lift rod (Ram) fills the 

cylinder with hydraulic fluid. Coat the exposed portions 

of the Power Angling cylinder rods (Rams) and Mount 

cylinder  (E-88  only)  of  the  E-Z  Mount  Xpress  with 

chassis  lubricant  to  protect  them  against  rust  and 

corrosion.

FIGURE 0-1 E-78

-3-

Drain Plug

Filler Plug

Filter Plugs

Lift Rod

Filler Plug

Drain Plug

Filter Plugs

FIGURE 0-1 E-88

Lift Rod

Summary of Contents for E-58H

Page 1: ...l Diamond Equipment 6 Angell Lane Damariscotta ME 04543 9720 Phone 207 563 2227 www diamondplow com email info diamondplow com 2005 Printed in the U S A Meyer Products LLC 18513 Euclid Ave Cleveland O...

Page 2: ...information illustrations and product descriptions contained in this manual are correct at publication time We do however reserve the right to make changes at any time without prior notice MEYER PROD...

Page 3: ...L IDENTIFICATION AND SERIAL NUMBER LOCATION 2 MOTOR IDENTIFICATION 2 MAINTENANCE 2 GENERAL MAINTENANCE 2 CLEANLINESS 2 VEHICLE ELECTRICAL SYSTEM 2 CHECK REGULARLY 2 POST SEASON MAINTENANCE 2 MEYER HYD...

Page 4: ...isture accumulating in the uid due to condensation It is effective for a maximum of one year s use Meyer Products Inc will not be liable for damages resulting from the use of inferior or other uids or...

Page 5: ...by loosening hydraulic ttings at cylinders until they leak Power angle plow repeatedly from one side to the other until uid ows steadily from the leaking ttings while maintaining a constant check on...

Page 6: ...E 78 12 15 E 58H 31 35 ELECTRO LIFT UNIT COMPONENTS 16 MOTORS 16 Iskra 16 HYDRAULIC PUMP 16 PRESSURE RELIEF VALVE 16 SOLENOID VALVES 16 17 Cartridge 16 Coil 17 A Solenoid Valve 17 B Solenoid Valve 17...

Page 7: ...mount hydraulic cylinder The E 58H E 78 includes an integral valve body which contains three electrically controlled solenoid valve cartridges Solenoid valve cartridge A which is energized to allow th...

Page 8: ...E 88 Mount Motor Only 6 FIGURE 1 1...

Page 9: ...E 88 Dismount Motor and E Solenoid 7 FIGURE 1 2...

Page 10: ...E 88 Raise Motor and B Solenoid 8 FIGURE 1 3...

Page 11: ...E 88 Lower A Solenoid 9 FIGURE 1 4...

Page 12: ...E 88 Angle Left Motor and D Solenoid 10 FIGURE 1 5...

Page 13: ...E 88 Angle Right Motor and C Solenoid 11 FIGURE 1 6...

Page 14: ...E 58H E 78 Raise Motor and B Solenoid 12 FIGURE 1 7...

Page 15: ...E 58H E 78 Lower A Solenoid 13 FIGURE 1 8...

Page 16: ...E 58H E 78 Angle Left Motor only 14 FIGURE 1 9...

Page 17: ...E 58H E 78 Angle Right Motor and C Solenoid 15 FIGURE 1 10...

Page 18: ...mon negative ground electrical system or the positive ground electrical system HYDRAULIC PUMP The pump in a hydraulic system employs an external source of power to apply a force to a liquid A pump dev...

Page 19: ...he pressurized hydraulic uid is diverted to the to the dead end of the mount cylinder which dismounts the plow from the vehicle At the same time it allows the hydraulic uid being forced from the live...

Page 20: ...heck valve located between the B Solenoid Valve and the lift cylinder It prevents the hydraulic uid in the lift cylinder from leaking back through the B Solenoid Valve which could cause the plow to dr...

Page 21: ...6 26 RAISE Troubleshooting 21 31 27 LEAK DOWN Troubleshooting 22 32 28 LOWER Troubleshooting 22 32 28 ANGLE LEFT Troubleshooting 23 33 29 ANGLE RIGHT Troubleshooting 24 34 30 WILL NOT HOLD ANGLE Troub...

Page 22: ...e D coil yellow and tane wires on power angling block labeled YEL The E coil purple and tan wires on power angling block labeled PUR TESTING TIPS 20 Many tests do not require removing the Electro Lift...

Page 23: ...21 E 88 ONLY...

Page 24: ...22 E 88 ONLY...

Page 25: ...23 E 88 ONLY...

Page 26: ...24 E 88 ONLY...

Page 27: ...25 E 88 ONLY...

Page 28: ...tool to check for magnetism of the solenoid coils A B and 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 tes...

Page 29: ...27 E 78 ONLY...

Page 30: ...E 78 ONLY 28...

Page 31: ...E 78 ONLY 29...

Page 32: ...E 78 ONLY 30...

Page 33: ...31 E 58H ONLY...

Page 34: ...E 58H ONLY 32...

Page 35: ...E 58H ONLY 33...

Page 36: ...E 58H ONLY 34...

Page 37: ...35 E 78 E 88 Wiring E 58H Wiring...

Page 38: ...itional Reassembly Points 37 PUMP 37 Shaft Seal Replacement 37 ELECTRO LIFT E 88 E 58H E 78 Exploded View 38 38 Parts Breakdown 39 39 Disassembly Photos 40 59 40 59 Reassembly Photos 59 69 59 69 CROSS...

Page 39: ...e Figures 3 3 through 3 31 pages 40 59 Reassembly See Figures 3 32 through 3 120 pages 59 69 for important reassembly points See Figures 3 91 through 3 110 Pages 62 66 for Crossover Relief reassembly...

Page 40: ...38 E 58H E 78 Exploded View FIGURE 3 2 FIGURE 3 1 E 88 Exploded View...

Page 41: ...2V 53 15917 15917 1 A B Cartridge Valve 54 15928 15928 1 Seal Kit A B Valve 55 15926 1 B Solenoid Assembly 56 15916 1 Coil 12V 57 15918 1 B Cartridge Valve 58 15929 1 Seal Kit B Valve 59 15959 15952 1...

Page 42: ...from the front cover FIGURE 3 4 Remove three phillips head screws from the rear cover FIGURE 3 5 Carefully press in the four tabs holding the front and rear covers together and pill the covers apart...

Page 43: ...1 2 Socket or Wrench remove the two bolts holding the positive and negative wires to the motor FIGURE 3 9 Gently pull up on electronic framing until coil wire plugs are accessible Remove all coil wir...

Page 44: ...from the unit remove the drain plug using a 11 16 wrench FIGURE 3 12 Drain Plug removed FIGURE 3 13 To replace the motor remove the two cap screws use a 10mm hex socket FIGURE 3 14 Hold the motor par...

Page 45: ...t on the three locknuts The studs usually unscrew with the nuts FIGURE 3 16 Pump removed from the unit base FIGURE 3 17 Remove the A Coil using your hand or carefully use pliers FIGURE 3 18 Coil remov...

Page 46: ...d using a 7 8 hex deep socket FIGURE 3 20 The A Cartridge is removed Clean by soaking cartridge in cleaning solvent DISASSEMBLY E 88 ONLY FIGURE 3 21 Remove the B Coil FIGURE 3 22 The B Cartridge is r...

Page 47: ...of small valve parts Use a magnet to retrieve the B Check Valve Body FIGURE 3 23 The B Cartridge is removed Clean by soaking cartridge in cleaning solvent FIGURE 3 25 Use a magnet to retrieve the B C...

Page 48: ...the C Coil DISASSEMBLY E 88 ONLY FIGURE 3 28 The C Cartridge is removed using a 7 8 hex deep socket FIGURE 3 29 The C Cartridge is removed Clean by soaking cartridge in cleaning solvent FIGURE 3 30 Re...

Page 49: ...d using a 7 8 hex deep socket DISASSEMBLY E 88 ONLY FIGURE 3 32 The D Cartridge is removed Clean by soaking cartridge in cleaning solvent FIGURE 3 33 Remove the E Coil FIGURE 3 34 The E Cartridge is r...

Page 50: ...DISASSEMBLY E 88 ONLY FIGURE 3 36 Use a 15 16 hex deep socket to remove the P O Check valve assembly used for angling FIGURE 3 37 Remove the P O Check valve assembly Clean by soaking Check valve in c...

Page 51: ...ing Check valve in cleaning solvent DISASSEMBLY E 88 ONLY FIGURE 3 40 Use a 15 16 hex deep socket to remove the P O Check valve assembly used for mount dismount FIGURE 3 41 Remove the P O Check valve...

Page 52: ...e block Clean by soaking Check valve in cleaning solvent DISASSEMBLY E 88 ONLY FIGURE 3 44 Use a 7 8 wrench or socket to remove lter plug FIGURE 3 45 Remove the Filter Clean by soaking Filter in clean...

Page 53: ...arefully use pliers DISASSEMBLY E 58H E 78 ONLY FIGURE 3 48 Coil removed from the A Cartridge FIGURE 3 49 The A Cartridge is removed using a 7 8 hex deep socket FIGURE 3 50 The A Cartridge is removed...

Page 54: ...E 58H E 78 ONLY FIGURE 3 52 The B Cartridge is removed using a 7 8 hex deep socket FIGURE 3 53 The B Cartridge is removed Clean by soaking cartridge in cleaning solvent FIGURE 3 54 Use a 7 8 wrench or...

Page 55: ...IGURE 3 55 Remove B Check Valve Nut DISASSEMBLY E 58H E 78 ONLY FIGURE 3 56 Retrieve the B Check Valve Body FIGURE 3 57 Remove the B Check Valve Poppet FIGURE 3 58 Retrieve the B Check Valve Spring 53...

Page 56: ...LY FIGURE 3 60 The C Cartridge is removed using a 7 8 hex deep socket FIGURE 3 61 The C Cartridge is removed Clean by soaking cartridge in cleaning solvent FIGURE 3 62 Use a 15 16 hex deep socket to r...

Page 57: ...ent DISASSEMBLY E 58H E 78 ONLY FIGURE 3 64 Remove the P O Pilot Piston Spring underneath Piston FIGURE 3 65 Use a 15 16 hex deep socket to remove the P O Check valve assembly used for angling FIGURE...

Page 58: ...emove lter plug DISASSEMBLY E 58H E 78 ONLY FIGURE 3 68 Remove Filter Plug FIGURE 3 69 Remove the Filter Clean by soaking Filter in cleaning solvent FIGURE 3 70 Use a 1 4 hex key or Allen Socket to re...

Page 59: ...ve pilot valve plug FIGURE 3 72 Use a 11 16 Wrench or Socket to remove Crossover Relief Valve DISASSEMBLY ALL MODELS FIGURE 3 73 Remove Crossover Relief Valve FIGURE 3 74 There is one lter on the E 78...

Page 60: ...top cap 58 FIGURE 3 76 Before removing ram and piston assembly extend rod fully This drains out remaining oil in cylinder FIGURE 3 77 When disassembling the reservoir cylinder assembly use a 1 2 hex...

Page 61: ...r Worn packing cup on piston should be replaced if cloth backing is visible FIGURE 3 80 Remove nuts baf e and retainer rings from studs and screw the studs into the base Clean reassemble Sump Base in...

Page 62: ...ll cover assembly using mallet to seat cover making certain lter plug is properly located next to the electric motor FIGURE 3 85 Drain plug and lters to be torqued to 75 85 in lbs with an 11 16 hex so...

Page 63: ...screws to 45 55 in lbs then apply Permatex Form A Gasket No 2 or equivalent sealant around each cap screw head FIGURE 3 88 To reinstall motor align pump shaft quill and motor shaft with appropriate b...

Page 64: ...E 3 94 Remove Spring FIGURE 3 91 One piece Crossover Relief Valve FIGURE 3 92 Use a screwdriver to loosen Plug to access the Spring FIGURE 3 93 Remove Plug 62 CROSSOVER RELIEF VALVE DISASSEMBLY ALL MO...

Page 65: ...emove Washer FIGURE 3 96 Use a thin 7 16 wrench to loosen Body FIGURE 3 97 Separate Body CROSSOVER RELIEF VALVE DISASSEMBLY ALL MODELS 63 FIGURE 3 98 Pull Pin out of lower half of Body Remove O ring a...

Page 66: ...h the small end rst into the lower half of Body FIGURE 3 102 Reinstall lower half of Body to the upper half The upper half of the body will press the O ring with Glyd ring into place CROSSOVER RELIEF...

Page 67: ...GURE 3 103 Use a thin 7 16 wrench to loosen Body FIGURE 3 104 Remove Washer with at side facing down FIGURE 3 105 Install Spring FIGURE 3 106 Install Plug 65 CROSSOVER RELIEF VALVE REASSEMBLY ALL MODE...

Page 68: ...ts at in the bottom of the cavity FIGURE 3 109 Insert larger O ring into the Crossover cavity until it sitting at on its landing 66 CROSSOVER RELIEF VALVE REASSEMBLY ALL MODELS FIGURE 3 107 Use a scre...

Page 69: ...Tan wires C Coil is Green and Tan wires D Coil is Yellow and Tan wires and E Coil is Purple and Tan wires 67 REASSEMBLY E 78 A B C E D REASSEMBLY E 88 FIGURE 3 111 Gently install electronic framing ov...

Page 70: ...tall shim FIGURE 3 116 Install two 1 4 bolts using a 7 16 Socket or wrench FIGURE 3 117 Using a 1 2 Socket or Wrench attach the two nuts holding the positive and negative wires to the motor A2 has a l...

Page 71: ...bly by reversing the above procedure It is recommended that each brush be changed in turn to avoid confusion make sure that each brush assembly is replaced with the correct part that has the brush cab...

Page 72: ...ing All the commands or communications between the three modules is performed through the power and ground wiring for each module Due to commands being transmitted over the power lines it is very impo...

Page 73: ...in the system by the RCM When ALM is not available the button labels for them will not be displayed The WW button label represents the WigWag plow light function If there isn t a plow in the system W...

Page 74: ...st Press Exit to leave HEADLIGHTS Use the truck s OEM light switch to control OFF LO HI beams At initial Power On Plow lights will be set to Daytime Running Lights DRL Move OEM switch to headlights ON...

Page 75: ...ed All moldboard functions will remain active during the alarms unless perhaps it is a bad solenoid Example A bad B solenoid then the moldboard cannot be moved Up but Left Right and Down are still ava...

Page 76: ...ce RCM Power cycle RCM by removing cigar lighter cable from adapter for aprx 10 seconds then replace in adapter Yes No Yes Power Cycle the HCM No DONE Yes RCM Normal Operating Screen No Yes Truck ligh...

Page 77: ...nit 1 qt 4 5 oz 36 5 oz Hoses 1 1 2 x 10 Cylinders 16 oz Hoses Mounting Cylinder 20 oz Total 2 qt 8 5 oz 72 5 oz TORQUE SPECIFICATIONS Thread Torque Size in lbs Reservoir Cover Retaining Nuts 5 16 24...

Page 78: ...07 563 2227 www diamondplow com email info diamondplow com 2005 Printed in the U S A Meyer Products LLC 18513 Euclid Ave Cleveland OH 44112 1084 Phone 216 486 1313 email warranty meyerproducts com E 5...

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