Maxon TE-250C Скачать руководство пользователя страница 44 | Manualshive

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1

1921 Slauson

A

ve. Santa Fe Springs, CA. 90670 (800) 227-41

16 F

AX (888) 771-7713

44

ADJUSTMENT

COVER

LIFTGATE WILL NOT LIFT RATED CAPACITY

3.

Check the 3250 PSI relief valve as

follows. With platform on the ground,
remove plug from hand pump port

(FIGS. 44-1 and 44-2)

. Install 0-4000

PSI pressure gauge in the hand pump
port

(FIGS. 44-1 and 44-2)

. Remove

cover for access to relief valve. Hold the
control switch in the “

RAISE

” position.

Adjust the relief valve until the gauge
reads 3250 PSI

(FIGS. 44-1 and 44-2)

.

Remove gauge and reinstall plug in the
port. Then, reinstall relief valve cover.

4.

Check if pump relief valve is dirty. Clean or

replace relief valve, if necessary.

1.

Use voltmeter to verify the battery voltage is 12.6

volts or more under load from pump motor.

2.

Check for structural damage or lack of lubrica-

tion. Replace worn parts.

TROUBLESHOOTING

ADJUSTMENT

COVER

HAND PUMP

PORT

Keep dirt, water and other contaminants
from entering the hydraulic system. Be-
fore opening the hydraulic fl uid reservoir
fi ller cap, drain plug and hydraulic lines,
clean up contaminants that can get in
the openings. Also, protect the openings
from accidental contamination during
maintenance.

CAUTION

ADJUSTING RAISING RELIEF VALVE

(GRAVITY DOWN POWER UNIT)

FIG. 44-1

ADJUSTING RAISING RELIEF VALVE

(POWER DOWN POWER UNIT)

FIG. 44-2

PRESSURE

GAUGE

RELIEF VALVE

ADJUST SCREW

HAND PUMP

PORT

RELIEF VALVE

ADJUST SCREW

PRESSURE

GAUGE

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Содержание TE-250C

Страница 1: ...M 17 12 REV B APRIL 2020 2020 MAXON Lift Corp...

Страница 2: ......

Страница 3: ...cessing All claims for warranty will be denied if paperwork has not been received or claim submitted via Maxon website for processing by MAXON s Warranty Department within 30 days of repair date All c...

Страница 4: ...RSION SPRING 18 DECALS TE 25DC TE 33 24 DECALS PLATES 26 DECALS TEWR 25DC TEWR 33 28 DECALS PLATES 30 SYSTEM DIAGRAMS 31 PUMP MOTOR SOLENOID OPERATION GRAVITY DOWN 31 HYDRAULIC SCHEMATIC GRAVITY DOWN...

Страница 5: ...PLATFORM RAISES BUT LEAKS DOWN 40 PLATFORM RAISES PARTIALLY AND STOPS 42 LIFTGATE WILL NOT LIFT RATED CAPACITY 44 PLATFORM WILL NOT LOWER LOWERS TOO SLOWLY OR TOO QUICKLY 46...

Страница 6: ...15 Added Phillips 66 Arctic Low Pour oil to table of recommended ISO 15 oils 19 Added instructions for installing torsion springs correctly to assist with unfolding and folding different combinations...

Страница 7: ...THIS PAGE INTENTIONALLY LEFT BLANK...

Страница 8: ...by Recommended practices for welding on steel parts are contained in the current AWS American Welding Society D1 1 Structural Welding Code Steel Damage to Liftgate and or vehicle and personal injury c...

Страница 9: ...ediately seek first aid If acid gets on your skin immediately wash it off with soap and water If an emergency situation arises vehicle or Liftgate while operating the Liftgate release the con trol swi...

Страница 10: ...s CA 90670 800 227 4116 FAX 888 771 7713 10 LIFTGATE TERMINOLOGY WEDGE FLIPOVER LIFT ARM PLATFORM PARALLEL ARM PUMP ASSEMBLY COVER IS SHOWN CONTROL SWITCH PLATFORM OPENER EXTENSION PLATE LIFT CYLINDER...

Страница 11: ...gs or replace parts as required Check electrical wiring for chafing and make sure wiring connections are tight and free of corrosion Use dielectric grease to protect electrical connections Check that...

Страница 12: ...hten loose fittings or replace parts as required Check electrical wiring for chafing and make sure wiring connections are tight and free of corrosion Use dielectric grease to protect electrical connec...

Страница 13: ...linder lift arm parallel arm and opener There are also lube fittings at the same places on the LH cylin der lift arm and parallel arm Refer to the PERIODIC MAINTENANCE CHECKS and PERIODIC MAINTENANCE...

Страница 14: ...G PUMP COVER FIG 14 1 3 If needed add fluid to the reservoir as fol lows Pull out no threads filler cap FIG 14 2 Fill the reservoir with hydraulic fluid to level shown in FIG 14 2 Reinstall filler cap...

Страница 15: ...ENDED BRANDS PART NUMBER CHEVRON HIPERSYN 32 KENDALL GOLDEN MV SHELL TELLUS S2 VX 32 EXXONMOBIL UNIVIS N 32 DTE 24 ISO 15 OR MIL H 5606 HYDRAULIC OIL RECOMMENDED BRANDS PART NUMBER CHEVRON FLUID A AW...

Страница 16: ...ees F Grade ISO 32 Below 70 Degrees F Grade ISO 15 or MIL H 5606 NOTE Use correct grade of hydraulic fluid for your location See TABLES 15 1 15 2 for recommended brands 1 Unbolt and remove pump cover...

Страница 17: ...prevent it from becoming a hazard To secure pump cover the long side of the holder flats must butt against pump cover as shown in the illustration 7 Bolt on the pump cover as shown in FIG 17 1 Torque...

Страница 18: ...3 Raise platform to a convenient work height to gain access FIG 18 1 There should not be tension on the torsion spring in this position 4 Drive out the roll pin from pin collar on the platform hinge...

Страница 19: ...H TORSION SPRING SHOWN POSITIONED IN HOLE 1 FIG 19 1A BRACKET LONG LEG SPRING PIN SPRING BRACKET LOCATION TYPE OF PLATFORM HOLE TO BE USED RH SIDE STEEL PLATFORM FLIPOVER 1 RH SIDE STEEL PLATFORM ALUM...

Страница 20: ...hinge pin inboard to correct position through the platform hinge bracket FIG 20 1 Line up the hole in the platform hinge pin with the hole in the pin collar Install the roll pin through the pin collar...

Страница 21: ...11921 Slauson Ave Santa Fe Springs CA 90670 800 227 4116 FAX 888 771 7713 21 THIS PAGE INTENTIONALLY LEFT BLANK...

Страница 22: ...ent is needed If indica tions are incorrect continue with instruction 2 TABLE 22 1 2 Make sure platform is still at ground level If the shackle is not touching the ground mea sure and compare distance...

Страница 23: ...ETAL FROM PLATFORM STOP 7 8 1 16 2 1 8 3 3 16 3 15 16 1 4 PLATFORM DOES NOT TOUCH GROUND FIG 23 1 GRINDING PLATFORM STOPS CURBSIDE SHOWN FIG 23 3 4 RAISE the platform to comfortable work height Fold f...

Страница 24: ...ommon sense when locating these decals on vehicle NOTE Ensure there is no residue dirt or corrosion where decals are attached If necessary clean surface before attaching decals FIG 24 1 INSTRUCTION DE...

Страница 25: ...Santa Fe Springs CA 90670 800 227 4116 FAX 888 771 7713 25 DECAL SHEET P N 282522 01 FIG 25 1 CAPACITY DECALS TABLE 25 1 MODEL DECAL P N CAPACITY TE 25DC 220382 2500 POUNDS 1134 KG TE 33 220388 02 33...

Страница 26: ...11921 Slauson Ave Santa Fe Springs CA 90670 800 227 4116 FAX 888 771 7713 26 DECALS PLATES FIG 26 1 MAXON NAME PLATE P N 280004 01 SERIAL PLATE REF PAINT DECAL PAINTED ONLY P N 267338 01...

Страница 27: ...11921 Slauson Ave Santa Fe Springs CA 90670 800 227 4116 FAX 888 771 7713 27 THIS PAGE INTENTIONALLY LEFT BLANK...

Страница 28: ...se when locating these decals on vehicle NOTE Ensure there is no residue dirt or corrosion where decals are attached If necessary clean surface before attaching decals FIG 28 1 WARNING DECAL P N 26544...

Страница 29: ...670 800 227 4116 FAX 888 771 7713 29 DECAL SHEET P N 282522 01 FIG 29 2 CAPACITY DECALS TABLE 29 1 MODEL DECAL P N CAPACITY TEWR 25DC 220382 2500 POUNDS 1134 KG TEWR 33 220388 02 3300 POUNDS 1500 KG F...

Страница 30: ...11921 Slauson Ave Santa Fe Springs CA 90670 800 227 4116 FAX 888 771 7713 30 DECALS PLATES FIG 30 1 MAXON NAME PLATE P N 280004 01 SERIAL PLATE REF PAINT DECAL PAINTED ONLY P N 267338 01...

Страница 31: ...OPERATION GRAVITY DOWN GRAVITY DOWN POWER UNIT FIG 31 1 TABLE 31 1 POWER UNIT MOTOR SOLENOID OPERATION LIFTGATE FUNCTION PORT SOLENOID OPERATION MEANS ENERGIZED MOTOR VALVE S2 LOCK VALVE RAISE A LOWE...

Страница 32: ...TY DOWN FIG 32 1 M 3 GPM FLOW CONTROL VALVE VALVE S2 RELIEF VALVE SET AT 3250 PSI PUMP MOTOR REF RESERVOIR CHECK VALVE FILTER DRAIN HOLE PLUGGED HYDRAULIC CYLINDERS FILL HOLE PLUGGED HYDRAULIC LOCK VA...

Страница 33: ...16 FAX 888 771 7713 33 ELECTRICAL SCHEMATIC GRAVITY DOWN FIG 33 1 DOWN UP CONTROL SWITCH STARTER SOLENOID MOTOR FUSE HOLDER WITH 10 AMP FUSE JUNCTION BLOCK WHITE BLACK GREEN 1 2 2 1 CYCLE COUNTER IF E...

Страница 34: ...DOWN POWER UNIT FIG 34 1 TABLE 34 1 POWER UNIT MOTOR SOLENOID OPERATION LIFTGATE FUNCTION PORT SOLENOID OPERATION MEANS ENERGIZED MOTOR VALVE S2 VALVE S1 LOCK VALVE RAISE A LOWER B REFER TO VALVES SH...

Страница 35: ...HEMATIC POWER DOWN FIG 35 1 HYDRAULIC CYLINDERS PORT B POWER DOWN PORT A RAISE RELIEF VALVE 2 SET AT 1100 PSI PUMP AUX HAND PUMP PORT PLUGGED VALVE S2 RESERVOIR DRAIN HOLE PLUGGED FILTER MOTOR REF REL...

Страница 36: ...11921 Slauson Ave Santa Fe Springs CA 90670 800 227 4116 FAX 888 771 7713 36 ELECTRICAL SCHEMATIC POWER DOWN FIG 36 1 SYSTEM DIAGRAMS Continued...

Страница 37: ...S1 Coil Resistance 6 6 70 F 15 26 7 70 F 15 S1 Ampere 1 8A 0 9A S2 Coil Resistance 7 5 70 F 15 30 8 70 F 15 S2 Ampere 1 6A 0 78A Coil terminal torque 15 45 lb in max Valve cartridge torque 25 30 lb ft...

Страница 38: ...uch heavy jumper cables to terminals A B FIG 38 1 a If motor runs replace the motor solenoid b If motor does not run repair or replace the pump motor 1 Connect voltmeter between motor solenoid termina...

Страница 39: ...relief valve FIGS 39 1 and 39 2 Clean or replace relief valve if necessary CHECKING THE RAISING RELIEF VALVE POWER DOWN POWER UNIT FIG 39 2 Keep dirt water and other contaminants from entering the hy...

Страница 40: ...gized Connect voltmeter negative lead to ground wires connection on pump and positive lead to terminal on the A lowering solenoid valve FIG 40 1 If voltmeter reads battery voltage check for faulty wir...

Страница 41: ...ulic fluid reservoir filler cap drain plug and hydraulic lines clean up contaminants that can get in the openings Also protect the openings from accidental contamination during maintenance CAUTION REM...

Страница 42: ...er load from pump motor 3 Check for structural damage and poor lubrication Replace worn parts TROUBLESHOOTING CHECKING THE RAISING RELIEF VALVE GRAVITY DOWN POWER UNIT FIG 42 1 RELIEF VALVE ADJUSTMENT...

Страница 43: ...draulic line from the LOWER port on the cyl inder FIG 43 1 Hold the control switch in the RAISE position for two seconds while you watch for hydraulic fluid at the LOWER port A few drops of hydraulic...

Страница 44: ...valve is dirty Clean or replace relief valve if necessary 1 Use voltmeter to verify the battery voltage is 12 6 volts or more under load from pump motor 2 Check for structural damage or lack of lubric...

Страница 45: ...OWER port on the cylinder FIG 45 1 Hold the control switch in the RAISE position for two seconds while you watch for hydraulic fluid at the LOWER port A few drops of hydraulic fluid escap ing the port...

Страница 46: ...erminal FIG 46 2 Hold control switch in the LOWER position Then connect voltmeter lead to terminal on the S2 lower ing solenoid valve FIG 46 2 If voltmeter shows a much lower reading than 12 6 volts d...

Страница 47: ...plunger does not move with a smooth spring loaded action approxi mately 1 8 replace the valve cartridge Re install lowering solenoid valve if good or a replacement Torque valve cartridge to 25 30 lb...

Страница 48: ......

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