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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

Summary of Contents for TML-704H

Page 1: ...L 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 nmc wollard nmc wollard com MAINTE...

Page 2: ...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 PL...

Page 3: ...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...

Page 4: ...ld 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...

Page 5: ...hrough 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 removin...

Page 6: ...cause unit failure and or affect vehicle safety Keep maintenance area clean and dry Oily and wet spots are slippery greasy rags are a fire hazard and wet spots are dangerous around electrical equipme...

Page 7: ...N 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...

Page 8: ...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 2...

Page 9: ...2 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 Dies...

Page 10: ...MBIENT TEMPERATURE RANGES Item Ambient Temp Specification Capacity Brake Fluid All DOT 5 Item Ambient Temp Specification Capacity Axle Differential All SAE 80W 85 140 MIL L 2105 1 5qts 1 4L HYDRAULIC...

Page 11: ...out accumulated dirt Clean housing and reinstall Replace hydraulic oil filter 1 6 Check hydraulic lines fittings and hydraulic cylinders for leakage 1 6 Check plumbing assemblies for dents kinks abras...

Page 12: ...se visual examination is required Move toggles to various positions and check for deterioration of boot Replace complete switch if found defective Check platform pendant station for damage to flexible...

Page 13: ...nance Lift Manual No 310547 1 SERVICING FIGURE 3 LUBRICATION POINTS SEPTEMBER 01 2015 Grease Scissor Pivots Grease Cylinder Pivots Oil Stabilizer Pivots Grease Scissor Rollers Oil Safety Lock Slide an...

Page 14: ...LARD 2021TruaxBlvd EauClaire WI54703 P 715 835 3151 F 715 835 6625 www nmc wollard com TML 704H Maintenance Lift Manual No 310547 1 SERVICING SEPTEMBER 01 2015 FIGURE 4 LUBRICATION POINTS P r o p e r...

Page 15: ...cide on a periodic basis It is impossible to recommend a specific time period for the fuel system service because of the widely differing operating conditions SAFETY STOPS MUST BE ENGAGED before worki...

Page 16: ...tive into the fuel when the engine is not in operation Failure to change the filter a minimum of every six months will result in damage to the fuel pump 4 Seasonal applications should consider storing...

Page 17: ...r repaired units Cleaning parts by using a solvent wash and air drying is adequate if clean solvent is used This is precision equipment The internal mechanism and related items must be kept free of fo...

Page 18: ...of reservoir with mineral spirits or a similar type solvent 1 To clean interior of reservoir place a suitable container under drain opening and flush tank with mineral spirits only Allow sufficient t...

Page 19: ...SERVICING SEPTEMBER 01 2015 1 9 CLEANING SCISSORS AND PLATFORM Clean scissors and platform with a solution made from equal parts of Kesonic C and mineral spirits and water Kesonic C is manufactured by...

Page 20: ...ore the engine can be cranked again The High Water Temp and Brake Fault lights are self testing and designed to flash briefly whenever the ignition switch is turned on or off This tests the lamp and s...

Page 21: ...end when Emergency Pump switch is released as long as Operational Platform Safety and Platform Down switches are held on 2 1 SAFETY STOP USE SAFETY STOPS MUST BE ENGAGED before working beneath the pla...

Page 22: ...ns 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 rem...

Page 23: ...in vicinity of reservoir H2 H3 H5 Hydraulic oil milky or discolored H4 H6 Hydraulic system running hot H1 H7 H9 H14 H16 Hydraulic oil reservoir level fluctuates more than 1 when platform is raised or...

Page 24: ...time all other systems normal E2 E4 E12 E13 PL1 Lift fuse 8FU blows repeatedly E25 Worklights E8 SV1 SV2 SV3 E17 REC2 No warning indicators functioning E1 Fuse 5FU E2 No running lights functioning E1...

Page 25: ...ation E1 E2 8FU wiring E3 SV1 SV2 SV3 coils E4 J5 J2 E2 E3 H1 H9 SV3 E7 H29 SV3 E2 E5 SW4 SW12 Platform will not raise all other systems OK E2 E3 E7 SV1A E5 LS HB SW8 9 PS SE H7 H14 P1 RV1 H1 H9 H29 S...

Page 26: ...eed at regular intervals H9 FC1 Platform lowers very slowly H8 H9 M16 M17 M18 FC1 PC1 SV1 H1 Platform Up function ceases to operate a short while after stabilizers have been lowered E23 PS SE H7 RV3 H...

Page 27: ...E6 E12 E13 Brakes feel normal vehicle has poor stopping power H25 H1 Brake Fault light on instrument panel glows when brakes are depressed H19 H20 H21 H23 H24 Brake Fault light glows continuously E6...

Page 28: ...e will not stop Also see Chap 5 E6 M10 Engine runs rough speed hunts up and down Also see Chap 5 M3 M7 M12 Oil warning light does not illuminate at any time E2 E4 E5 E12 E13 Oil warning light stays on...

Page 29: ...e reading unchanged at all times E18 M10 Sender E19 Gauge Electric fuel gauge works well in upper range but drops below empty when tank level is low E18 Sender 2 8 AUTOMATIC TRANS AND CONTROL SYSTEM T...

Page 30: ...tacts welded shut Test Repair or replace as required E11 Limit switch not being actuated properly Check operation of mechanical linkage Test for contact closing or opening Adjust or repair as required...

Page 31: ...ck for short circuit or water infiltration Repair or replace as needed E26 Motor brushes defective Remove brush cover Check condition and tension of brushes Replace and or adjust tension as needed E27...

Page 32: ...Flush system drain and refill with new oil See H4 H7 Defective or improperly adjusted relief valve Check pressures Readjust or replace valve as required H8 Counterbalance valve out of adjustment Remov...

Page 33: ...lace as required H22 Brake fluid contaminated Drain system Refill with new fluid purge all lines Disassemble all components and clean with new fluid also replace any damaged corroded components Refill...

Page 34: ...ut of adjustment Readjust linkage M7 Accelerator linkage out of adjustment Readjust linkage M8 Tie rod ends defective Check for free play replace as required M9 Linkage broken Check and repair or repl...

Page 35: ...2021TruaxBlvd EauClaire WI54703 P 715 835 3151 F 715 835 6625 www nmc wollard com TML 704H Maintenance Lift Manual No 310547 2 TROUBLE SHOOTING SEPTEMBER 01 2015 This Page Intentionally Blank P r o p...

Page 36: ...auClaire WI54703 P 715 835 3151 F 715 835 6625 www nmc wollard com TML 704H Maintenance Lift Manual No 310547 FIGURE 3 FLASHING STROBE LIGHT OPTION 19870 2 TROUBLE SHOOTING SEPTEMBER 01 2015 2 12 SCHE...

Page 37: ...5A 8FU 15A DIODE 1 DIODE 2 6A DIODE 3 DIODE 7 DIODE 8 DIODE 9 DIODE 10 DIODE 19 DIODE 20 ELECTRIC PUMP CRT9 START ENABLE CRE ACC IGN SW ELEC PUMP ENGINE START ENGINE RUN GAUGES HEAD LIGHTS REAR LIGHTS...

Page 38: ...uaxBlvd EauClaire WI54703 P 715 835 3151 F 715 835 6625 www nmc wollard com TML 704H Maintenance Lift Manual No 310547 FIGURE 5 DEUTZ ENGINE ELECTRICAL SCHEMATIC 2 TROUBLE SHOOTING SEPTEMBER 01 2015 P...

Page 39: ...Blvd EauClaire WI54703 P 715 835 3151 F 715 835 6625 www nmc wollard com TML 704H Maintenance Lift Manual No 310547 JANUARY 10 2017 2 TROUBLE SHOOTING FIGURE 6 KUBOTA WG2503 W GM C6 TRANS 1 OF 2 31090...

Page 40: ...uClaire WI54703 P 715 835 3151 F 715 835 6625 www nmc wollard com TML 704H Maintenance Lift Manual No 310547 2 TROUBLE SHOOTING JANUARY 10 2017 FIGURE 6 KUBOTA WG2503 W GM C6 TRANS 2 0F 2 GM TRANS TCU...

Page 41: ...uaxBlvd EauClaire WI54703 P 715 835 3151 F 715 835 6625 www nmc wollard com TML 704H Maintenance Lift Manual No 310547 SEPTEMBER 01 2015 2 TROUBLE SHOOTING FIGURE 7 PLATFORM WORK LIGHTS OPTION 17394 P...

Page 42: ...uaxBlvd EauClaire WI54703 P 715 835 3151 F 715 835 6625 www nmc wollard com TML 704H Maintenance Lift Manual No 310547 SEPTEMBER 01 2015 2 TROUBLE SHOOTING FIGURE 8 PLATFORM WORK LIGHTS OPTION 17538 P...

Page 43: ...ruaxBlvd EauClaire WI54703 P 715 835 3151 F 715 835 6625 www nmc wollard com TML 704H Maintenance Lift Manual No 310547 2 TROUBLE SHOOTING JANUARY 10 2017 FIGURE 9 PLATFORM WORK LIGHTS OPTION 17529 P...

Page 44: ...xBlvd EauClaire WI54703 P 715 835 3151 F 715 835 6625 www nmc wollard com TML 704H Maintenance Lift Manual No 310547 2 TROUBLE SHOOTING SEPTEMBER 01 2015 FIGURE 10 LOW FUEL SHUTDOWN OPTION DIESEL ONLY...

Page 45: ...xBlvd EauClaire WI54703 P 715 835 3151 F 715 835 6625 www nmc wollard com TML 704H Maintenance Lift Manual No 310547 SEPTEMBER 01 2015 FIGURE 11 PLATFORM PENDANT STATION OPTION 18944 2 TROUBLESHOOTING...

Page 46: ...vd EauClaire WI54703 P 715 835 3151 F 715 835 6625 www nmc wollard com TML 704H Maintenance Lift Manual No 310547 SEPTEMBER 01 2015 FIGURE 12 LOW OIL HIGH WATER SHUTDOWN OPTION 301493 2 TROUBLE SHOOTI...

Page 47: ...axBlvd EauClaire WI54703 P 715 835 3151 F 715 835 6625 www nmc wollard com TML 704H Maintenance Lift Manual No 310547 SEPTEMBER 01 2015 16795 FIGURE 13 START PROTECTION OPTION 16795 2 TROUBLESHOOTING...

Page 48: ...d EauClaire WI54703 P 715 835 3151 F 715 835 6625 www nmc wollard com TML 704H Maintenance Lift Manual No 310547 JANUARY 10 2017 2 TROUBLESHOOTING FIGURE 14 TEFLON JACKETED CABLE ON PLATFORM OPTION WI...

Page 49: ...EauClaire WI54703 P 715 835 3151 F 715 835 6625 www nmc wollard com TML 704H Maintenance Lift Manual No 310547 SEPTEMBER 01 2015 2 TROUBLESHOOTING FIGURE 15 OPTION SHUTDOWN LOW OIL HIGH TEMPERATURE 3...

Page 50: ...EauClaire WI54703 P 715 835 3151 F 715 835 6625 www nmc wollard com TML 704H Maintenance Lift Manual No 310547 SEPTEMBER 01 2015 2 TROUBLESHOOTING FIGURE 16 OPTION SHUTDOWN LOW OIL HIGH TEMPERATURE 3...

Page 51: ...21TruaxBlvd EauClaire WI54703 P 715 835 3151 F 715 835 6625 www nmc wollard com TML 704H Maintenance Lift Manual No 310547 2 TROUBLESHOOTING JANUARY 27 2018 FIGURE 17 HYDRAULIC SCHEMATIC 310582 P r o...

Page 52: ...uClaire WI54703 P 715 835 3151 F 715 835 6625 www nmc wollard com TML 704H Maintenance Lift Manual No 310547 OCTOBER 10 2017 2 TROUBLESHOOTING FIGURE 18 ELECTRICAL SCHEMATIC KUBOTA V2203 C6 GM 1 of 2...

Page 53: ...uClaire WI54703 P 715 835 3151 F 715 835 6625 www nmc wollard com TML 704H Maintenance Lift Manual No 310547 2 TROUBLESHOOTING OCTOBER 10 2017 FIGURE 18 ELECTRICAL SCHEMATIC KUBOTA V2203 C6 GM 2 of 2...

Page 54: ...allation The following procedures are given only as a guide and do not in any way restrict technicians from developing their own procedures No procedures are given where the type of work required is o...

Page 55: ...rear of the lift platform 5 Remove engine cover 6 Disconnect battery 7 Determine if any option item not associated with engine pack has been allowed to obstruct engine removal path This includes both...

Page 56: ...rom vehicle chassis with sling using a forklift truck or similar boom lifting device 3 4 2 Installation 1 Connect a low profile sling or rigid frame to the four lifting points on engine frame 2 CAREFU...

Page 57: ...on sealer on transmission cooling line fittings that thread in side of transmission case Do not start engine with new transmission installed without adding a minimum amount of transmission fluid Do no...

Page 58: ...Install nuts 8 to torque converter studs after transmission is securely bolted to engine Access studs through inspection hole in flywheel housing 5 Install speedometer gear 19 on shaft 6 Install univ...

Page 59: ...d EauClaire WI54703 P 715 835 3151 F 715 835 6625 www nmc wollard com TML 704H Maintenance Lift Manual No 310547 3 REMOVAL AND INSTALLATION FIGURE 2 TYPICAL ENGINE TRANSMISSION ASSEMBLY SEPTEMBER 01 2...

Page 60: ...restricted to the procedures outlined in this section Refer to Chapter 4 for parts identification and location NOTICE Parts for the automatic transmission should be obtained from the local authorized...

Page 61: ...and cone as a set 6 If inner and outer bearings are to be replaced install new cups into hub Make sure cups are seated well 7 Install new brake disc if necessary with wheel studs Brierton Only 8 Grea...

Page 62: ...mble brake caliper to caliper bracket Insert retaining bolts and reinstall cotter pins Tighten bolts to 35 ft lbs torque Brierton axle 21 Lube all grease fittings with MIL G 10924D grease 22 Adjust to...

Page 63: ...caps screws and lock washers from the top and bottom of the knuckle Remove king pin cap and gasket from knuckle Gasket may separate Clean knuckle and cap and use new gasket when reassembling 2 Disasse...

Page 64: ...iscard old bushing Install new bushings by aligning the grease holes with the holes in the knuckle The holes in the bushings are not centered Be sure the short side is installed first to ensure the gr...

Page 65: ...artially into journal The pin is installed so the long end is down ensuring proper alignment of set screw slot and set screw hole Install thrust bearing aligning so that king pin will pass through it...

Page 66: ...tallation Apply Loc Tite Blue or equivalent to set screw threads Install set screw Make sure vertical location of king pin allows set screw to fully seat on flat surface of slot Tighten set screw whil...

Page 67: ...d result in a successful check test following 6 With the shift lever in the neutral position place a continuity tester across the prongs of the neutral harness plug It should indicate continuity neutr...

Page 68: ...the switch wires 3 Loosen the single adjusting bolt and adjust switch until contact opens for the same throw of lever either side of Neutral 4 Retighten adjusting bolt and replace side cover 4 3 4 St...

Page 69: ...and periodically during operation Do not investigate for leaks with hands Use a large piece of cardboard 4 3 6 Main Relief Valve Pressure The pressure relief valve is integral with the engine package...

Page 70: ...STK 14762 2 4 Tee Swivel Aeroquip P N 203102 4 4 NMC Wollard Inc STK 3 2966 5 Reducer Aeroquip P N 221501 6 4 NMC Wollard Inc STK 3 2941 6 Tee Swivel Aeroquip P N 203102 6 6 NMC Wollard Inc STK 3 276...

Page 71: ...hten locking nut to no more than 10 in lbs torque while holding screw in this position 700 800 psi setting Do not over tighten or locknut will be damaged 4 3 9 Lift Cylinder Flow Control Valve The lif...

Page 72: ...ety stop location See fig 2 1 1 Stop engine 2 Disconnect the Down hose on lift cylinder check valve assembly 3 Connect test gauge 0 3000 PSI in line and reconnect hose 4 Remove access cover over emerg...

Page 73: ...ghtening may crack the fitting or damage the seat in the cylinder fitting Compressed air used to service brake components must be oil free or rubber parts may be damaged Always replace brake lines tha...

Page 74: ...Parking Brake Adjustment Adjustment of the handbrake is made by turning the knurled handle on the Orscheln lever until the desired tension is achieved 1 Locate the setscrew in the Orscheln handle 2 Re...

Page 75: ...transmission shifter arm to cable clevis 2 Place transmission in Neutral 3 Place Quadrastat shift lever in Neutral 4 Adjust the cable sleeve and clevis attached to the vertical leg of the same arm so...

Page 76: ...LARD 2021TruaxBlvd EauClaire WI54703 P 715 835 3151 F 715 835 6625 www nmc wollard com TML 704H Maintenance Lift Manual No 310547 4 REPAIRS SEPTEMBER 01 2015 This Page Intentionally Blank P r o p e r...

Page 77: ...LARD 2021TruaxBlvd EauClaire WI54703 P 715 835 3151 F 715 835 6625 www nmc wollard com TML 704H Maintenance Lift Manual No 310547 4 REPAIRS SEPTEMBER 01 2015 This Page Intentionally Blank P r o p e r...

Page 78: ...5 6625 www nmc wollard com TML 704H Maintenance Lift Manual No 310547 CHAPTER 3 OVERHAUL MAJOR REPAIR SEPTEMBER 01 2015 PAGE TOC 1 TABLE OF CONTENTS TABLE OF CONTENTS 3 GENERAL REPAIRS TOC 1 3 1 GENER...

Page 79: ...LLARD 2021TruaxBlvd EauClaire WI54703 P 715 835 3151 F 715 835 6625 www nmc wollard com TML 704H Maintenance Lift Manual No 310547 TABLE OF CONTENTS SEPTEMBER 01 2015 This Page Intentionally Blank P r...

Page 80: ...the Maintenance Lift is limited to procedures provided by manufacturers in Chapter 5 Manufacturers Information Other components are not recommended for overhaul Further overhaul must be done at the ma...

Page 81: ...R NMC WOLLARD 2021TruaxBlvd EauClaire WI54703 P 715 835 3151 F 715 835 6625 www nmc wollard com TML 704H Maintenance Lift Manual No 310547 SEPTEMBER 01 2015 This Page Intentionally Blank P r o p e r t...

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