NMC-WOLLARD TML-704H Manuel utilisateur

NMC-WOLLARD

2021 Truax Blvd. Eau Claire, WI 54703 ● P: 715-835-3151● F: 715-835-6625 ● www.nmc-wollard.com

TML-704H Maintenance Lift Manual No. 310547

NMC-WOLLARD, Inc.

2021 Truax Blvd.

Eau Claire, WI 54702

715-835-3151

Fax 715-835-6625

Web Site: www.nmc-wollard.com

General Email [email protected]

MAINTENANCE LIFT

Maintenance Manual

Model TML-704H

Property of American Airlines

CHAPTER 2 MAINTENANCE

NMC-WOLLARD

2021 Truax Blvd. Eau Claire, WI 54703 ● P: 715-835-3151● F: 715-835-6625 ● www.nmc-wollard.com

TML-704H Maintenance Lift Manual No. 310547

CHAPTER 2 MAINTENANCE

SEPTEMBER 01, 2015

PAGE TOC-1

TABLE OF CONTENTS

1. SERVICING...............................................................................................................1-1

1.1 SAFETY STOP USE .........................................................................................1-1

1.2 SAFETY PIN USE.............................................................................................1-2

1.3 PREVENTIVE MAINTENANCE AND PERIODIC INSPECTION...................1-3

1.4 BOLT TIGHTENING DATA ...............................................................................1-4

1.5 FLUIDS AND CAPACITIES AND AMBIENT TEMPERATURE RANGES .1-6

1.5.1 Fluid Req. Engine, Trans., Axle, Brake and Hyd. System..........................1-6

1.6 MAINTENANCE SCHEDULE ..........................................................................1-8

1.7 FUEL SYSTEM................................................................................................1-12

1.7.1 Special Instructions..................................................................................1-12

1.7.2 Cummins B3.3QSB, Fuel Filter, Lubricity ................................................1-13

1.8 HYDRAULIC SYSTEM ...................................................................................1-13

1.8.1 Hydraulic System Safety..........................................................................1-13

1.8.2 Special Instructions..................................................................................1-14

1.8.3 Hydraulic Reservoir - Oil Change and Cleaning......................................1-15

1.9 CLEANING SCISSORS AND PLATFORM ...................................................1-16

2. TROUBLE SHOOTING.............................................................................................2-1

2.1 SAFETY STOP USE .........................................................................................2-2

2.2 SAFETY PIN USE.............................................................................................2-3

2.3 HYDRAULIC POWER AND DISTRIBUTION SYSTEM .................................2-4

2.4 ELECTRICAL POWER AND DISTRIBUTION SYSTEM................................2-5

2.5 PLATFORM LIFT SYSTEM..............................................................................2-6

2.6 BRAKE SYSTEM ..............................................................................................2-8

2.7 ENGINE AND CONTROL SYSTEM ................................................................2-9

2.8 AUTOMATIC TRANS. AND CONTROL SYSTEM ........................................2-10

2.9 AXLES, WHEELS AND TIRES.......................................................................2-10

2.10 PROBABLE CAUSES/REMEDIES BY CODE: ELECTRICAL................... 2-11

2.11 PROBABLE CAUSES/REMEDIES BY CODE:HYDRAULIC .....................2-13

3. REMOVAL AND INSTALLATION .............................................................................3-1

3.1 GENERAL..........................................................................................................3-1

3.2 PLATFORM REMOVAL ....................................................................................3-1

3.3 SCISSORS REMOVAL.....................................................................................3-1

3.4 ENGINE AND TRANSMISSION ASSEMBLY..................................................3-2

3.4.1 Removal.....................................................................................................3-2

3.4.2 Installation..................................................................................................3-3

3.4.3 New Transmission Installation Notes.........................................................3-4

3.4.4 Instructions for Assembling the Transmission to the Engine .....................3-4

4. REPAIRS ...................................................................................................................4-1

4.1 GENERAL..........................................................................................................4-1

4.1.1 Metal Cracks..............................................................................................4-1

4.1.2 Welding.....................................................................................................4-1

4.2 AXLE BEARINGS, BRAKE ASSEMBLIES, AND DIFFERENTIAL................4-2

4.2.1 Repair of Caliper, Wheel Hub and Brake Disc..........................................4-2

Property of American Airlines

PAGE TOC-2

CHAPTER 2 MAINTENANCE

NMC-WOLLARD

2021 Truax Blvd. Eau Claire, WI 54703 ● P: 715-835-3151● F: 715-835-6625 ● www.nmc-wollard.com

TML-704H Maintenance Lift Manual No. 310547

TABLE OF CONTENTS

4.2.2 Steering Knuckle/King Pin Repair (Brierton Only) ....................................4-3

4.3 ADJUSTMENTS................................................................................................4-8

4.3.1 Electrical System .......................................................................................4-8

4.3.2 Transmission Neutral/Safety Switch ..........................................................4-8

4.3.3 Quadrastat Neutral Switch.........................................................................4-9

4.3.4 Stabilizer Retracted and Platform Down Limit Switches............................4-9

4.3.5 Hydraulic System.....................................................................................4-10

4.3.6 Main Relief Valve Pressure......................................................................4-10

4.3.7 Stabilizers Down Relief Valve Adjustment (RV2).....................................4-10

4.3.8 Stabilizer Extended Pressure Switch (PS-SE) Adjustment......................4-11

4.3.9 Lift Cylinder Flow Control Valve...............................................................4-12

4.3.10 Electric Emergency Pump Relief Valve Pressure ..................................4-13

4.3.11 Brakes....................................................................................................4-14

4.3.12 Handbrake (Parking Brake) Adjustment ................................................4-15

4.3.13 V-Belt Adjustment ..................................................................................4-15

4.3.14 Engine Speed Adjustments....................................................................4-15

4.3.15 Transmission Linkages and Cables .......................................................4-16

4.3.16 Front Wheel Alignment ..........................................................................4-16

SEPTEMBER 01, 2015

Property of American Airlines

PAGE 1-1

CHAPTER 2 MAINTENANCE

NMC-WOLLARD

2021 Truax Blvd. Eau Claire, WI 54703 ● P: 715-835-3151● F: 715-835-6625 ● www.nmc-wollard.com

TML-704H Maintenance Lift Manual No. 310547

SEPTEMBER 01, 2015

1 SERVICING

1. SERVICING

Perform lockout/tagout procedures before adjusting, lubricating cleaning

or otherwise servicing. Failure to do so could result in unexpected startup and could

cause injury or death.

1.1 SAFETY STOP USE

SAFETY STOPS MUST BE ENGAGED before working beneath

the platform or in the engine compartment or for maintenance/repair activities that

involve removing or disconnecting platform lift system hydraulic components.

1. Raise platform until frame rollers are rearward of safety stops.

2. Push operation knobs in and lower platform so frame rollers rest against safety

stops. See gure 1. If the platform were to fall, it will cause serious injury or

death.

FIGURE 1. SAFETY STOPS

Property of American Airlines

PAGE 1-2

CHAPTER 2 MAINTENANCE

NMC-WOLLARD

2021 Truax Blvd. Eau Claire, WI 54703 ● P: 715-835-3151● F: 715-835-6625 ● www.nmc-wollard.com

TML-704H Maintenance Lift Manual No. 310547

1 SERVICING

SEPTEMBER 01, 2015

1.2 SAFETY PIN USE

SAFETY PINS MUST BE USED when service requires raising

and holding the platform higher than the safety stop position.

1. Raise platform until frame rollers are rearward of safety pins.

2. Insert BOTH pins through lower roller tracks and lower frame so rollers are

against safety pins before working beneath the platform or in the engine

compartment or for maintenance/repair activities that involve removing or

disconnecting platform lift system hydraulic components. See gure 2. If the

platform were to fall, it will cause serious injury or death.

Never raise the platform with the safety pins in place and the

frame rollers are forward of the pins. Raising the platform with the pins in place will

bend the pins. Bent pins must be replaced with new pins.

FIGURE 2. SAFETY PINS

Property of American Airlines

PAGE 1-3

CHAPTER 2 MAINTENANCE

NMC-WOLLARD

2021 Truax Blvd. Eau Claire, WI 54703 ● P: 715-835-3151● F: 715-835-6625 ● www.nmc-wollard.com

TML-704H Maintenance Lift Manual No. 310547

SEPTEMBER 01, 2015

1 SERVICING

Disconnect battery before performing service to prevent accidental

startup.

Follow the recommended maintenance program to prevent unsafe

operation or accidents.

After initially mounting wheel and tire assembly, recheck lug nut torque

after the rst hour of operation and after the rst 8 hours of operation. After this, check

monthly or every 250 hours, whichever comes rst. Do not lube wheel studs as it will

result in inaccurate tightening torque. Failure to follow these procedures could result in

wheel mounting failure and loss of vehicle control.

Using non-original replacement parts is not recommended. Their use

may cause unit failure and/or a󰀨ect vehicle safety.

Keep maintenance area clean and dry. Oily and wet spots are

slippery, greasy rags are a re hazard, and wet spots are dangerous around electrical

equipment.

1.3 PREVENTIVE MAINTENANCE AND PERIODIC INSPECTION

The following is a guide for conducting periodic inspections on the maintenance

lift to ensure long service life. The frequencies shown are for the unit operating in

average U.S. climate. If the unit is operated in adverse climatic conditions, such as

salt spray and extreme cold or dusty environments, adjust the inspection

schedules to a more realistic frequency.

Servicing the NMC-Wollard, Inc. Maintenance Lift truck requires little more

attention than other conventional vehicles of its type. No special tools are required,

other than those normally found in any modern garage or airline ground support

equipment servicing facility. All work should be performed in accordance with

authorized standard shop practices.

Property of American Airlines

PAGE 1-4

CHAPTER 2 MAINTENANCE

NMC-WOLLARD

2021 Truax Blvd. Eau Claire, WI 54703 ● P: 715-835-3151● F: 715-835-6625 ● www.nmc-wollard.com

TML-704H Maintenance Lift Manual No. 310547

1 SERVICING

1.4 BOLT TIGHTENING DATA

The following data is excerpted from SAE Report J1701, March, 1999. The

complete report is available from SAE at www.sae.org. It contains detailed

information about variables for torquemanagement to achieve correct fastener joint

tightening. This is an advisory guide and responsibility for its application lies with

the user. Individual application discretion is recommended.

INCH TIGHTENING TORQUE, IN-LB

Bolt Size Grade 2 Dry Grade2

Lubed

Grade 5 Dry Grade 5

Lubed

Grade 8 Dry Grade 8

Lubed

0.250-28 75 56.0 116.0 87.0 164 123

0.250-20 66.0 49.0 101.0 76.0 143 107

0.3125-24 150.0 112.0 230.0 173.0 327 245

0.3125-18 135.0 101.0 209.0 157.0 295 221

0.375-24 272 204.0 420.0 315.0 593 445

0.375-16 240 180 370 278.0 523 392

0.4375-20 428.0 321.0 662.0 496.0 935 700

0.4375-14 384 288 593.0 445.0 837 628

0.500-20 660.0 495.0 1020.0 764.0 1440 1080

0.500-13 585.0 439.0 904.0 678.0 1277 958

0.5625-18 78 59 121 91 171 128

0.5625-12 70 53 109 82 154 115

0.625-18 110 82 170 127 240 180

0.625-11 97 73 150 113 212 159

0.750-16 192 144 297 223 420 315

0.750-10 172 129 269 201 376 282

1.000-12 -- -- 704 528 995 746

1.000-8 -- -- 644 483 909 681

SEPTEMBER 01, 2015

Property of American Airlines

PAGE 1-5

CHAPTER 2 MAINTENANCE

NMC-WOLLARD

2021 Truax Blvd. Eau Claire, WI 54703 ● P: 715-835-3151● F: 715-835-6625 ● www.nmc-wollard.com

TML-704H Maintenance Lift Manual No. 310547

1 SERVICING

SEPTEMBER 01, 2015

METRIC TIGHTENING TORQUE N-m

Bolt Size Class 4.6

Dry

Class 4.6

Lubed

Class 4.8

Dry

Class 4.8

Lubed

Class 5.8

Dry

Class 5.8

Lubed

3.0 x 0.5 0.50 0.40 0.70 0.50 - -

3.5 x 0.6 0.80 0.60 1.10 0.80 - -

4.0 x 0.7 1.20 0.90 1.60 1.20 - -

5.0 x 0.8 2.40 1.80 3.30 2.50 4.00 3.00

6.0 x 1.0 4.00 3.00 5.66 4.20 6.90 5.20

8.0 x 1.25 9.90 7.40 13.60 10.20 16.70 12.50

10.0 x 1.50 19.60 14.70 27.00 20.00 33.10 24.80

12.0 x 1.75 34.10 25.60 47.00 35.00 58.00 43.00

14.0 x 2.00 54.30 40.80 75.00 56.00 92.00 69.00

Bolt Size Class 8.8

Dry

Class 8.8

Lubed

Class 9.8

Dry

Class9.8

Lubed

Class 10.9

Dry

Class 10.9

Lubed

8.0 x 1.25 26.40 19.80 28.50 21.40 36.50 27.30

10.0 x 1.50 52.20 39.20 56.60 42.40 72.20 54.20

12.0 x 1.75 91.00 68.00 99.00 74.00 126.00 94.00

14.0 x 2.00 145.00 109.00 157.00 118.00 200.00 150.00

16.0 x 2.00 226.00 170.00 245.00 184.00 313.00 235.00

20.0 x 2.50 441.00 331.00 478.00 358.00 610.00 458.00

24.0 x 3.00 762.00 572.00 826.00 620.00 1055.00 791.00

30.0 x 3.50 1515.00 1136.00 1641.00 1231.00 2095.00 1572.00

36.0 x 4.00 2647.00 1985.00 2868.00 2151.00 3662.00 2746.00

Torque Conversion: Ft-Lbs = 0.7376xN-m N-m = 1.356xFt-Lbs

NOTE: Do not use these values if a di󰀨erent torque value is given for a specic

procedure

Torque wheel lug nuts to 120 ft-lbs.

Property of American Airlines

PAGE 1-6

CHAPTER 2 MAINTENANCE

NMC-WOLLARD

2021 Truax Blvd. Eau Claire, WI 54703 ● P: 715-835-3151● F: 715-835-6625 ● www.nmc-wollard.com

TML-704H Maintenance Lift Manual No. 310547

1.5 FLUIDS AND CAPACITIES AND AMBIENT TEMPERATURE RANGES

The Maintenance Lift can be operated over a wide range of ambient temperatures

if the following uid recommendations are used.

1.5.1 Fluid Req. Engine, Trans., Axle, Brake and Hyd. System

ENGINE REQUIREMENTS FOR AMBIENT TEMPERATURE RANGES

Item Ambient Temp. Specication Capacity

Engine

Coolant

(Liquid cooled

engines only)

-25°F and above

-32°C and above

50/50 ethylene glycol antifreeze/water

mixture ASTM4985 GM6038M specs.

14 Qts

[13.25 L]

-26°F to -65°F

-33°C to -54°C

62/38 ethylene glycol antifreeze/water

mixture ASTM4985 GM6038M specs.

Engine Fuel

(Cummins)

32°F and above

0°C and above

ASTM number 2D (Diesel)

19.5 gal

[74 L]

32°F and below

0°C and below

Winter blended fuel such as found at

commercial fuel-dispensing outlets

which are combinations of 1D and 2D

diesel fuels.

Engine Fuel

(Deutz)

0°C and above ASTM number 2D (Diesel)

19.5 gal.

[74L]

0°C to -20°C Winter blended fuel such as found

at commercial fuel-dispensing

outlets which are combinations of

1D and 2D diesel fuels.

-20°C and below Add % para󰀩n to winter or summer

grade fuels per Deutz Operation

Manual, Operating Media section.

Engine Fuel

(All gas

engines)

All Regular unleaded gasoline. 19.5 gal.

[74L]

Engine Oil

(Cummins)

24°F and above

-5°C and above

15W-40 API CH-4/SJ classication Pan only:

15qt

[14.2 L]

Total sys:

17 qt.

[16.4L]

23°F to -10°F

-5°C to -24°C

10W-30 API CH-4/SJ classication

-9°F and below

-23°C and below

Synthetic 5W-30 with API CH/SF or

higher classication

Engine Oil

(Deutz)

-5°C and above SAE 20W-50 12 qts

[11.35L]

-20°C to 40°C SAE 10W-40

-35°C to 30°C SAE 0W-30

-35°C and below Preheat oil by storing in warm storage

1 SERVICING

SEPTEMBER 01, 2015

Property of American Airlines

PAGE 1-7

CHAPTER 2 MAINTENANCE

NMC-WOLLARD

2021 Truax Blvd. Eau Claire, WI 54703 ● P: 715-835-3151● F: 715-835-6625 ● www.nmc-wollard.com

TML-704H Maintenance Lift Manual No. 310547

1 SERVICING

SEPTEMBER 01, 2015

TRANSMISSION REQUIREMENTS FOR AMBIENT TEMPERATURE RANGES

Item Ambient Temp Specication Capacity

Transmission

Fluid

All ATF (automatic transmission

uid) Type F

9.5 qts.

[9L]

AXLE REQUIREMENTS FOR AMBIENT TEMPERATURE RANGES

BRAKE FLUID FOR AMBIENT TEMPERATURE RANGES

Item Ambient Temp Specication Capacity

Brake Fluid All DOT 5

Item Ambient Temp Specication Capacity

Axle

Di󰀨erential

All SAE 80W-85-140

(MIL-L-2105)

1.5qts

[1.4L]

HYDRAULIC FLUID REQUIREMENTS FOR AMBIENT TEMPERATURE RANGES

Item Ambient Temp Specication Capacity

Hydraulic

Fluid

+20°F to +120°

-7°C to +50°C

Mobil DTE-13 or equiv a lent 8.5 Gals

[32 L]

-25°F to +50°F

-32°C to +10°C

Mobil Aero HFA or equivalent

(MIL-H-5606A)

Do not use hydraulic oils of di󰀨erent specications. They MAY not be compatible and

could result in damage to the hydraulic system components.

Property of American Airlines

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