Page 4
TM12 SEVICE AND PARTS MANUAL PART NUMBER : 505115-102 (10-07) SERIAL N . 53036 OREWORD OW TO ANUAL This manual is divided into six sections. NTRODUCTION ECTION General description and machine specifications. PERATION AND PECIFICATIONS ECTION Information on how to operate the work platform and how to prepare it for operation.
Page 5
Please understand that these warnings cannot cover all conceivable ways in which service, whether or not recommended by Snorkel, might be done, or of the possible hazardous consequences of each conceivable way, nor could Snorkel investigate all such ways.
Page 7
4.Chassis Controls lowering. 5.Chassis HASSIS The chassis is a structural frame that supports all the components of the TM12 work platform. The platform is raised and lowered using a scissors mechanism. Lift is achieved using a single stage cylinder. URPOSE OF...
Page 8
PERATION ANUAL WARNING All personnel shall carefully read, understand and follow all safety rules and operating instructions before operating or performing maintenance on any Snorkel International aerial work platform. Safety Rules Electrocution Hazard Tip Over Hazard Collision Hazard Fall Hazard...
Introduction NTRODUCTION This manual covers all models of the TM12 Aerial Work Platform. This manual must be stored on the machine at all times. Read, understand and follow all safety rules and operating instructions before attempting to operate the machine.
L A T F O R M A P A C I T Y The maximum platform capacity for the TM12 is 227 kg (500 lbs). Two people may occupy the platform indoors, while only one may occupy the platform outdoors.
Controls and Indicators ONTROLS AND NDICATORS The operator shall know the location of each control and indicator and have a thorough knowledge of the function and operation of each before attempting to operate the unit. Figure 2: Controls and Indicators Platform Controller Chassis Controller (Right Side) Side View...
System Function Inspection YSTEM UNCTION NSPECTION Refer to Figure 1 and Figure 2 for the locations of various controls and indicators. W A R N I N G STAND CLEAR of the work platform while performing the following checks. Before operating the machine, survey the work area for surface hazards such as holes, drop-offs, bumps and debris.
Operation PERATION Before operating the machine, ensure that the Pre-Operation Safety Inspection has been completed and that any deficiencies have been corrected. Never operate a damaged or malfunctioning machine. The operator must be thoroughly trained on this machine. R A V E L I T H L A T F O R M O W E R E D...
Operation M E R G E N C Y O W E R I N G W A R N I N G If the platform should fail to lower, NEVER climb down the elevating assembly. Stand clear of the elevating assembly while operating the Emergency Lowering Valve Knob. Figure 4: Emergency Lowering Valve Ask a person on the ground to open the Emergency Lowering Valve to lower the platform.
Transporting the Machine RANSPORTING THE ACHINE R A N E Secure the straps to chassis lifting/tie down points only. O R K L I F T D A N G E R Forklifting is for transport only. See specifications for weight of machine and be certain that forklift is of adequate capacity to lift the machine.
Maintenance AINTENANCE W A R N I N G Never perform service while the platform is elevated without first blocking the elevating assembly. DO NOT stand in the elevating assembly area while deploying or storing the brace. Figure 7: Supporting the Elevating Assembly L O C K I N G T H E L E V A T I N G S S E M B L Y...
Always wear safety glasses when working near batteries. Battery fluid is highly corrosive. Thoroughly rinse away any spilled fluid with clean water. Always replace batteries with Snorkel batteries or manufacturer approved replacements weighing 26,3 kg (58 lbs.) each. Figure 9: Access to Batteries •...
Inspection and Maintenance Schedule NSPECTION AND AINTENANCE CHEDULE The Complete Inspection consists of periodic visual and operational checks, along with periodic minor adjustments that assure proper performance. Daily inspection will prevent abnormal wear and prolong the life of all systems. The inspection and maintenance schedule should be performed at the specified inter- vals.
Specifications PECIFICATIONS ITEM TM12 Platform Size 73,7 cm x 1,04 m (29 in. x 41 in.) Maximum Platform Capacity 227 kg (500 lbs.) Maximum Number of Occupants 2 People indoors/1 person outdoors Height Working Height 5,83 m (19 ft.) Maximum Platform Height 3,83 m (12.5 ft.)
Page 23
This section contains instructions for the maintenance of the Work Platform. Refer to the General Information section for information relevant to all Snorkel work platforms. Referring to the Operator Manual will aid in understanding the operation and function of the various components and systems of the work platform, and help in diagnosing and repair of the machine.
Section 3 - Service & Repair Supporting Elevating Assembly 3-1 S UPPORTING LEVATING SSEMBLY W A R N I N G Never perform service on the work platform in the elevating assembly area while platform is elevated without first blocking the elevating assembly. DO NOT stand in elevating assembly area while deploying or storing brace.
Preventative Maintenance Check List Section 3 - Service & Repair 3-3 P REVENTATIVE AINTENANCE HECK REVENTATIVE AINTENANCE REVENTATIVE AINTENANCE EPORT Interval Date: _______________________________________ Daily=each shift or every day Owner:______________________________________ 50h/30d=every 50 hours or 30 days 250h/6m=every 250 hours or 6 months Model No: ___________________________________ 1000h/2y=every 1000 hours or 2 years Serial No: ___________________________________...
Section 3 - Service & Repair Parts Location 3-4 P ARTS OCATION Figure 3-2: Parts Location Controller Assembly 505005-000 Motor Control 502492-000 502483-000 Fuse 502494-000 Control Cable Assembly 107009-000 Electrical Box Line Contactor Assembly 502489-000 107123-000 Hydraulic Hydraulic Oil Reservoir Filter Tilt Sensor Assembly...
General Lubrication Section 3 - Service & Repair 3-5 G ENERAL UBRICATION Figure 3-3: Lubrication Points • Apply grease to each grease fitting. G Grease # Oil • Apply one or two drops of motor oil to each bearing. 1. King Pin Bearings 2.
Battery fluid is highly corrosive. Thoroughly rinse away any spilled fluid with clean water. Always replace batteries with Snorkel batteries or manufacturer approved replacements. Before disconnecting the battery negative (-) lead, make sure all switches are OFF. If ON, a spark will occur at the ground terminal which could cause an explosion if hydrogen gas or fuel vapours are present.
Hydraulics Section 3 - Service & Repair 3-7 H YDRAULICS Y D R A U L I C A N K I L T E R LUID EVEL Figure 3-5: Hydraulic Oil Tank and Filter With Platform fully lowered, oil should be visible on 1.
Section 3 - Service & Repair Hydraulics Y D R A U L I C U M P The Hydraulic Pump is located in the Power Module, and is mounted on the rear of the motor. EMOVAL NOTE: If the hydraulic tank has not been drained, suitable means for plugging the hoses should be provided to prevent excessive fluid loss.
Hydraulics Section 3 - Service & Repair A I N Y D R A U L I C A N I F O L D Though it is not necessary to remove the manifold to perform all maintenance procedures, a determination should be made prior to beginning as to whether or not the manifold should be removed before maintenance procedures begin.
Section 3 - Service & Repair Hydraulics ELIEF ALVE Figure 3-9: Hydraulic Manifold 1. Operate the hydraulic system 10 to 15 minutes to warm the oil. MAIN RELIEF VALVE CHECK VALVE (POTHOLE) 2. Remove the cap or loosen the locknut on the Main Relief Valve.
Cylinders Section 3 - Service & Repair 3-8 C YLINDERS E P R E S S I O N Y L I N D E R Figure 3-10: Depression Cylinder Remove & Replace EMOVAL 1. Mark and disconnect the hose assemblies from the cylinder fittings and immediately cap the openings to prevent foreign material from...
Section 3 - Service & Repair Cylinders EPAIR Refer to Cylinder Repair in Section 1 - General Information. NSTALLATION 1. Connect the hose assemblies. 2. Install the tension bar pivot through the cylinder clevis and brake actuator and secure with a new cotter pin.
Cylinders Section 3 - Service & Repair Figure 3-13: Brake and Steering Cylinder Seal Kit I F T Y L I N D E R EMOVAL Refer to Figure 3-16: “Elevating Assembly,” on page Section 3-16 for details. 1. Fully lower platform. 2.
Section 3 - Service & Repair Drive Motors NSTALLATION 1. Attach a suitable hoisting device and sling to the cylinder. Carefully lower the cylinder through the top of the mast until you can re-attach the vent line tubing. Simply push the tubing into the fitting until it goes no further.
Elevating Assembly Section 3 - Service & Repair 3-10 E LEVATING SSEMBLY Maintenance of the elevating assembly consists of four separate tasks and maintenance intervals: • Chain Lubrication ..... . . 6 months •...
Section 3 - Service & Repair Elevating Assembly I F T H A I N U B R I C A T I O N Refer to Figure 3-16: “Elevating Assembly,” on page Section 3-16. With platform in the stowed position; •...
Elevating Assembly Section 3 - Service & Repair H A I N L O N G A T I O N N S P E C T I O N Figure 3-17: Chain Elongation Inspection At five-year intervals, the MEASURE DISTANCE OF 50 PITCHES chains should be removed from the mast and the entire length PITCH...
Section 3 - Service & Repair Tilt Sensor N S T A L L A T I O N O F L E V A T I N G S S E M B L Y Refer to Figure 3-16: “Elevating Assembly,” on page Section 3-16. Installation of the elevating assembly is the reverse of removal.
Controls Section 3 - Service & Repair 3-12 C ONTROLS L A T F O R M O N T R O L S The Proportional Controller can be disassembled to replace defective switches. See the Parts Manual for replacement part numbers. Figure 3-19: Upper Controls Boot, Steering Rocker Rocker, Steering...
Section 3 - Service & Repair Controls H A S S I S O N T R O L S Figure 3-20: Chassis Controls The chassis control assembly is mounted on Right Side Door the inside of the chassis door, to the left of the Hydraulic tank.
Page 45
Section 4 ROUBLESHOOTING 4.1 I NTRODUCTION The following section on troubleshooting provides guidelines on the types of problems users may encounter in the field, helps determine the cause of problems, and suggests proper corrective action. Careful inspection and accurate analysis of the symptoms listed in the Troubleshooting Guide will localize the trouble more quickly than any other method.
Page 46
PECIAL OOLS Following is a list of tools which may be required to perform certain maintenance procedures on the TM12 work platforms. • Flow Meter with Pressure Gauge (P/N 067040-000) • 0-69 bar (0-1000 psi) Hydraulic Pressure Gauge with Adapter Fittings (P/N 014124-010) •...
Page 47
Troubleshooting 4.3 T ROUBLESHOOTING UIDE TROUBLE PROBABLE CAUSE REMEDY All functions 1. Blown electric motor fuse Check 160 amp electric motor fuse. Replace if blown. inoperable, electric motor 2. Faulty battery Check the voltage output of the battery charger. If less than 24 VDC, does not start.
Page 48
AULT ODES INTRODUCTION The TM12 is equipped with a fault detection system, if you have a faulty component, bad electrical connection or start up error a fault code will be displayed on the read out located on the upper control box.
Page 49
Troubleshooting 4.5 F AULT ODES 01 – System initialization error 02 – System communication error 22 – Platform Left Turn Switch ON at power-up 23 – Platform Right Turn Switch ON at power-up 25 – Platform Hi-Drive Switch ON at power-up 27 –...
Page 50
Troubleshooting 4.6 E LECTRIC Table 4-1: Electrical Troubleshooting Table Component Alarm Batteries Battery Charger 5 AMP Circuit Breaker 175 AMP Fuse Motor Control Motor Chassis Emergency Stop Switch Chassis Key Switch Platform Emergency Stop Switch Interlock Switch PQ Control Handle Height Limit Switch Platform Steering Switch Tilt Sensor...
Page 53
Section 5 CHEMATICS 5.1 I NTRODUCTION This section contains electrical and hydraulic power schematics and associated information for maintenance purposes. The diagrams are to be used in conjunction with the information in Section 4. They allow understanding of the makeup and functions of the systems for checking, tracing, and faultfinding during troubleshooting analysis.
Page 54
Schematics 5.2 E LECTRIC Hydraulic Schematic Page 5-2...
Page 59
6.1 I NTRODUCTION This section lists and illustrates the replaceable assemblies and parts of this product, as manufactured by Snorkel International. Each parts list contains the component parts for that assembly. ONTENTS General Assembly......6 - 2 Mast Assembly.
Illustrated Parts Breakdown Hydraulic Cylinder Assembly (Steer / Brake) 505035-000 Item Part Description QTY. 504502-010 SEAL KIT, BRAKE/STEER CYLINDER 503784-000 FITTING, 1/8 - 1/8 (M/M) 503783-000 FITTING, 1/8 M/F BLOCK 90 NOTE: FITTINGS SHOWN APPLY TO STEERING CYLINDER, WHEN FITTING HOSES TO THE BRAKE CYLINDER FIT THE 3&2 1/8 M/M TO THE FULL BORE END AND THE 1/8 BLOCK 90 WITH 1/8 M/M TO THE ANNULAR END.
Page 80
Illustrated Parts Breakdown Page 6-22 505115-101...
Page 82
Local Distributor: Lokaler Vertiebshändler: Distributeur local: El Distribuidor local: Il Distributore locale: Snorkel International Inc. P.O. Box 1160 64502-1160 USA St/ Joseph, MO TEL: + 1-800-255-0317 www.snorkelusa.com Serial number 505115-102...
Page 83
Addendem for TM12 Machines with serial range 53036 - 53125 / 53132 - 53164 TM12 WORK PLATFORM To be included with TM12 Service Manual 505115-102...
Page 85
SAE build. Illustrated Parts Breakdown Note: This illustration is intended for SAE build specification. Contents on this page are a direct replacement of page 6-6 Chassis Assembly 505001-000 ITEM PART NUMBER DESCRIPTION 114071-000 PUMP UNIT / MOTOR (SAE) 107065-000 ,SAE K (SAE) 107152-000 MOUNTING PLATE, HYDRAULIC MANIFOLD 505041-000 BUSHING, SPACER...
Page 86
SAE build. Illustrated Parts Breakdown - Control Valve Assembly Control Valve Assembly 503800-002 Note: This illustration is intended for SAE build specification. Contents on this page are a direct replacement of page 6-12, 6-13. Item Part Description QTY. 1/4” SAE - TEST POINT -------------- -------------- FITTING, 1/4”...
Page 87
SAE build. Illustrated Parts Breakdown - Hydraulic Tank Assembly Note: This illustration is intended for SAE build specification. Contents on this page are ia direct replacement of page 6-15 107065-000 SAE TANK FITTINGS Item Part Description QTY. MALE JIC#6 X Male orb #8 45 Deg 011939-003 MALE JIC#12 X Male NPT #12 STRAIGHT 011939-021...
Page 90
Local Distributor: Lokaler Vertiebshändler: Distributeur local: El Distribuidor local: Il Distributore locale: Snorkel International Inc. P.O. Box 1160 64502-1160 USA St/ Joseph, MO TEL: + 1-800-255-0317 www.snorkelusa.com Serial number 505115-102...
Need help?
Do you have a question about the TM12 and is the answer not in the manual?
Questions and answers