Lift Products Inc MML 50D, MML 15, MML 25, MML 50, MML 75, MML 100, MML 100XL, MML 30D Lift Table Service Manual

Maxx-Mini Lift

MML-50D

Service Manual

LIFT PRODUCTS INC

PO BOX 349

ELM GROVE WI 53122

262-521-5720 FAX 262-521-5725

Toll Free 877-543-8776

Model: MML-50D

S/N ________________________________

Customer____________________________

REGISTRATION INFORMATION

(To validate your warranty and receive updated service bulletins, please complete this form)

Date_______________ Model No.________________

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Purchased From:

Name of Dealer_______________________________________________________________

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Phone No._____________________Fax No.________________________________________

Please fax this form to 262-521-5725.

OPERATION AND SERVICE MANUAL

BEFORE OPERATING THE LIFT TABLE, READ THIS MANUAL CAREFULLY AND UNDERSTAND

COMPLETELY. KEEP THIS MANUAL ON FILE FOR FUTURE REFERENCE. IF THIS IS LOST, PLEASE

CONTACT YOUR LOCAL SUPPLIER FOR A NEW COPY. ALSO, IF THE WARNING/CAUTION DECAL ON

THE UNIT IS LOST, PLEASE CONTACT YOUR LOCAL SUPPLIER FOR A NEW DECAL.

NOTE: On this manual, WARNING means the danger which can lead to death or serious injury.

CAUTION mean the danger can lead to slight or property damage.

1. WARNING

1. DO NOT put foot or hand in scissor mechanism.

2. DO NOT allow other person to stand in front of or behind lift table when it is moving.

3. DO NOT move lift table when table is in raised position. Load could fall down.

4. DO NOT enter under table.

5. DO NOT overload lift table.

6. DO NOT put foot in front of rolling wheels. Injury could result.

7. WATCH difference of floor level when moving lift table. Load could fall down.

8. DO NOT use lift table on slope or inclined surface, lift table may become uncontrollable and create danger.

9. DO NOT lift people. People could fall down and suffer severe injury.

2. CAUTION

1. Read this operation manual carefully and understand completely operating lift table.

Improper operation could create danger.

2. This lift table is a movable lifter designed to lift or lower rated load on table. DO NOT use lift table for other purpose than its intended use.

3. DO NOT allow person to operate lift table who does not understand its operation/

4. DO NOT lower table too fast. Load could fall down and create danger.

5. KEEP watching the condition of load. Stop operating lift table if load becomes unstable.

6. Brake lift table when sliding load on or off table.

7. DO NOT side or end load. Load must be distributed on a least 80% of table area.

8. DO NOT use lift table with unstable, unbalanced loosely stacked load.

9. Practice maintenance work according to service instructions.

10. DO NOT modify lift table without manufacturer’s written consent.

11. REMOVE load from table and use safety stopper to prevent table from lowering when servicing lift table.

12. This lift table is not designed to be water resistant. Use lift table under dry conditions.

1

3. DAILY INSPECTION

Daily inspection is effective to find the malfunction or fault on lift table. Check lift table on the following points before operation.

CAUTION: DO NOT USE LIFT TABLE IF ANY MALFUNCTION OR FAULT IS FOUND

1. Check for scratch, bending or cracking on the lift table.

2. Check if there is any oil leakage from the cylinder.

3. Check the vertical creep of the table.

4. Check the smooth movement of the wheels.

5. Check the function of brake.

6. Check if all the bolts and nuts are tightened firmly.

4. OPERATING LIFT TABLE

4-1. HOW TO USE THE BRAKE

CAUTION: Brake lift table when not moving it in order to prevent sudden movement.

The brake is equipped with the swivel caster on the right side.

1. Braking the wheel, press the brake pedal.

2. Releasing the brake, lift up the brake pedal.

2

4-2. LIFTING THE TABLE

WARNING: DO NOT overload lift table. Stay within its rated capacity. DO NOT side or end load must be distributed on at least 80% of table area.

Press the lifting pedal several times until the table reaches the desired position.

1. The table does not elevate after reaching the highest position even if the lifting pedal is pressed.

2. The table lowers slightly after reaching the highest position.

MAXIMUM CAPACITY OF TABLE

MML-15 MML-25 MML-50 MML-75 MML-100 MML-100XL MML-30D MML-50D

330 lbs 550 lbs 1,100 lbs 1,650 lbs 2,200 lbs 2,000 lbs 660 lbs 1,100 lbs

NOTE: They hydraulic cylinder is designed to hold table. As is the nature of the hydraulic system, table lowers very slowly over and extended period of time. Please not the table does not stay in the same position indefinitely.

5-3. LOWERING TABLE

WARNING: DO NOT put foot or hand in scissor mechanism.

Pull the lowering lever up and table lowers.

5. SPECIFICATIONS

Model

Capacity

(Lbs)

MML-15

MML-25

MML-50

MML-75

MML-100

MML-100XL

MML-30D

MML-50D

330

550

1100

1650

2200

2000

660

1100

Table Size

17.75 x 27.5

19.75 x 32.75

20.5 x 39.75

20.5 x 39.75

20.5 x 39.75

31.5 x 47.25

20.5 x 39.75

20.5 x 39.75

Table Height Weight

10”-30”

12”-36”

17”-36”

17”-39”

17”-39”

17”-48”

17”-62”

17”-62”

301

358

330

370

90

172

260

264

Pedal to top.

(approx. times)

16

25

44

55

68

53

68

95

3

6. SERVICE INSTRUCTIONS

6-1. LUBRICATE EACH POINT DESCRIBED BELOW EVERY MONTH:

6-2. CHANGING HYDRAULIC OIL EVERY 12 MONTHS.

Lubricating Points:

1. Fitting of cylinder...Oil

2. Roller friction surface...Grease

3. Link Pin...Oil

4. Pedal fitting point...Oil

5. Link center pin...Oil

6. Joint...Oil

7. Grease nipple...Grease

8. Hydraulic circuit

HYDRAULIC CIRCUIT

4

MML-50D

5

PARTS LIST

ILL.

NO.

DESCRIPTION

1 Seal Cover d35xD43.5x5

2 Cylinder Cover

3 O-Ring d75x3.55

3a O-Ring d75x2.65

4 O-Ring d35.5x3.55

5 Piston Rod

6 Spacing Casing

7 Guide Ring 2x15

8 O-Ring D20x2.4

9 Seal Ring d39xD45x4.5

10 Retainer for Piston Rod

11 Spacing Retainer 18

12 Piston

13 Cylinder

14 Cylinder Washer

15 Reservoir

16 O-Ring d10x2.65

17 Filler Screw

18 Washer for Reservoir

19 Steel Ball 5

20 Spring Base

21 Regulating Pressure Spring

22 Regulating Pressure Screw

23 O-Ring d7.1x1.8

24 End Cover

25 O-Ring d15x2.65

26 Regulating Speed Spring

27 Regulating Slide Valve

28 Regulating Speed Spring Casing

29 Regulating Speed Slide Casing

30 Steel Ball 7

31 O-Ring d6.9x18

32 Conical Valve

33 Spring

34 Check Valve Casing

35 O-Ring d10x1.8

36 Check Valve Screw

37 Seal Cover d18xD25x4.5

38 O-ring d18x2.65

39 Pump Plunger

40 Y-Ring d10xD18x16

1

1

1

1

1

2

1

1

1

1

1

1

1

1

1

1

1

1

1

1

1

1

1

1

1

1

1

1

1

1

1

1

1

1

QTY

REQ.

1

1

1

1

1

1

1

ILL.

NO.

60 Spring Pin

61 Control Link

DESCRIPTION

62 Handle

63 Spacing Casing

64 Spring Washer 12

65 Hex Screw M12x30

66 Split Pin 2x15

67 Pin

71 Pedal Bent Pipe

72 Hex Soch Screw M8x20

73 Shake Link

74 Spring

75 Retainer 10

76 Pin Axle

77 Link

78 Wheel

79 Nut M10

80 Spring Washer 10

81 Washer 10

82 Hex Soch Screw M10x25

83 Wheel

84 Axle

85 Retainer 20

86 Chassis

87 Hex Screw M8x16

88 Pin Axle For Chassis

89 Bushing

89A Bushing

90 Washing

90A Washing

91 Slotting Nut M16x1.5

92 Split Pin 3.2x26

93 Pin Axle

94 Pin Axle for Table

95 Hex Socket Set Screw M8x12

96 Bushing

97 Oil Cup

98 External Scissors Lever for Table

99 Internal Scissors Lever for Table

100 Bushing

101 Roller for Table

3

2

8

2

5

1

7

1

2

1

36

16

16

16

2

2

1

2

4

3

1

5

5

2

2

1

2

1

2

1

1

2

2

1

2

QTY

REQ.

1

1

2

2

1

1

6

ILL.

NO.

DESCRIPTION

41 Pump Body for Plunger

42 O-Ring D28x3.1

43 Pump Body

44 O-Ring d10.6x2.65

45 Spring

46 Reflux Rod

47 O-Ring d4x1.8

48 Guide Casing

49 Protect Casing

50 Lever

51 Lever Bushing

52 Washer 6

53 Spring Washer 6

55 Put Pressure Assembly

58 Washer 8

A Pump Assembly

B Swivel Wheel Assembly

C Front Wheel Assembly

D Seal Kit Assembly

E Handle Assembly

1

2

1

1

2

1

1

1

1

QTY

REQ.

1

1

1

1

2

2

ILL.

NO.

DESCRIPTION

102 Table

103 Spring Pin 8x30

104 Screw Bolt M10x40

105 Safety Rod

106 Nut M10

107 External Scissors Lever for Chassis

108 Internal Scissors Lever for Chassis

109 Bushing

110 Roller for Chassis

111 Pin Axle

112 Bolt M6x8

113 Rod

114 Rod

115 Screw M6x30

116 Cover-Type Nut M6

1-49, 113, 114

78

83

1, 3, 3A, 4, 7, 8, 9, 16, 23, 25, 31, 35, 37, 38, 40 42, 44, 47

52, 53, 55, 60, 61, 62, 66, 67, 115, 116

1

1

2

1

2

2

1

1

1

1

2

2

QTY

REQ.

1

2

2

7