Page 1
PARTS & SERVICES MANUAL Part Number 514949-200 Serial Number SL26-01-060105 and after March 2016 Serial Number SL30-01-060210 and after...
Page 3
SL26/30SL Series ENGLISH When contacting Snorkel for service or parts information, be sure to include the model and serial numbers from the equipment name plate. Should the name plate be missing, the serial number is also stamped on top of the chassis above the front axle pivot...
Page 4
SL26/30SL SERVICE AND PARTS MANUAL FOREWORD This manual is divided into six sections namely; SECTION 1: INTRODUCTION General description and machine specifications. SECTION 2: OPERATION AND SPECIFICATION Information on how to operate the work platform and how to prepare it for operation. SECTION 3: SERVICE AND REPAIR Preventative maintenance and service information.
Page 5
Please understand that these warnings cannot cover all conceivable ways in which service, whether or not recommended by Snorkel, might be carried out, or of the possible hazardous consequences of each conceivable way, nor could snorkel investigate all such ways.
Page 7
INTRODUCTION PURPOSE The purpose of this service and parts manual is to provide instructions and illustrations for the operation and maintenance of this work platform manufactured by Snorkel. SCOPE The manual includes procedures for proper operation, maintenance, adjustment and repair of this product as well as recommended maintenance schedules and troubleshooting.
Page 8
INTRODUCTION PLATFORM CONTROLLER The platform controller contains the controls to operate the machine. It is located at the front of the platform. A complete explanations of control functions can be found in section 2. ELEVATING ASSEMBLY The platform is raised and lowered by the elevating assembly. The hydraulic pump driven by the engine, powers the cylinders.
Page 9
SL26/30SL Series ENGLISH When contacting Snorkel for service or parts information, be sure to include the model and serial numbers from the equipment name plate. Should the name plate be missing, the serial number is also stamped on top of the chassis above the front axle pivot...
Page 10
WARNING All personnel shall carefully read, understand and follow all safety rules and operating instructions before operating or performing maintenance on any SNORKEL aerial work platform. E L E C T R O C U T I O N TIP OVER HAZARD COLLISION HAZARD...
Page 11
Harness attachment points are provided in the platform and the manufacturer recommends the usage of a fall restraint harness, especially where required by national safety regulations. All harness attachment points on SNORKEL vehicles have been tested with a force of 3,650 lbs (16.3 KN) per person.
Page 12
SAFETY NOTICE NOTE 1. To bypass any safety equipment is prohibited and presents a danger for the person/persons on the aerial work platform and in its working range. 2. Modification to the aerial work platform is prohibited or permissible only at the approval of Snor- kel.
CONTENTS INTRODUCTION GENERAL DESCRIPTION SPECIAL LIMITATIONS SPECIAL LIMITATIONS PLATFORM CAPACITY MANUAL FORCE BEAUFORT SCALE LIFT OVERLOAD ALARM CONTROLS/PRE-OPERATION PLATFORM CONTROLS AND INDICATORS CHASSIS CONTROLS AND INDICATORS PRE-OPERATION SAFETY INSPECTION 2-10 SYSTEM FUNCTION INSPECTION 2-11 OPERATION 2-12 STARTING THE MACHINE 2-12 STEERING 2-12 ELEVATING THE PLATFORM...
INTRODUCTION INTRODUCTION This manual covers the operation of the SL26/30 Speed level series Self-Propelled Work Platforms. This manual must be stored on the machine at all times. GENERAL DESCRIPTION 1. Platform 2. Elevating Assembly 3. Chassis 4. Power Module 5. Control Module 6.
SPECIAL LIMITATIONS SPECIAL LIMITATIONS Travel with platform raised is limited to a maximum speed of 0.8 km/h (0.5 mph). Elevating the work platform is limited to firm surfaces only. D A N G E R The elevating function shall ONLY be used when the work platform is levelled and on a rm surface.
SPECIAL LIMITATIONS LIFT OVERLOAD ALARM If a load equivalent to 100% of safe working load is lifted, the overload LED’s on the platform and ground control box will illuminate. However, If a load which is greater than the safe working load is placed on the platform, all machine functions will cease to operate and a warning alarm will sound.
CONTROLS/PRE-OPERATION PRE-OPERATION SAFETY INSPECTION NOTE: Carefully read, understand and follow all safety rules, operating instructions, labels and National Safety Instructions/Requirements. Perform the following steps each day before use. 1. Open modules and inspect for damage, fluid leaks or missing parts. Check the level of the hydraulic fluid with the platform fully lowered.
SYSTEM FUNCTION INSPECTION Refer to figure 2-3 and 2-4 on page 2-9 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: - Prior to operating the work platform, survey the work area for surface hazards such as holes, drop-o s, bumps and debris.
OPERATION Before operating the work platform, ensure that the pre-operation safety inspection has been com- pleted and that any deficiencies have been corrected. Never operate a damaged or malfunction- ing machine. The operator must be thoroughly trained on this machine. STARTING THE MACHINE 1.
OPERATION TRAVEL WITH THE PLATFORM ELEVATED NOTE: The machine will travel at reduced speed when the platform is elevated. 1. Check that the route is clear of obstacles (persons, obstructions, holes, drop-offs, bumps and debris) and capable of supporting the wheel load. 2.
OPERATION PLATFORM EXTENSION (SL26 SPEED LEVEL ONLY) The platform can be extended and securely locked into position. Use the following procedure to extend the platform: 1. Enter the platform and close the gate. C A U T I O N The extension platform is free to move when the handles are unlocked.
OPERATION 4. Close the latch gate. 5. Remove nuts, bolts and washers from the top of the rear guardrail. Fold the rear guardrail down onto the platform being careful to keep latched at all times. 6. Remove nuts, bolts and washers from the top of the side guardrails. Lift up and fold one side guardrail in resting it on the deck.
EMERGENCY PROCEDURE TOWING OR WINCHING Perform the following action only when the machine will not operate under its own power and it is necessary to move the machine or when winching onto a transport vehicle (Refer to “Transporting the work platform” on page 2-18). C A U T I O N DO NOT tow or winch the machine faster than 0.3 m/s (1 ft/s).
EMERGENCY PROCEDURE W A R N I N G Never tow faster than 0.3 m/s (1 ft/s). Never op- erate the work platform with the parking brakes released. Serious injury or damage could result. EMERGENCY LOWERING W A R N I N G If the platform should fail to lower, NEVER climb down the elevating assembly.
TRANSPORTATION PREPARATION FOR SHIPMENT 1. Fully lower the platform. 2. Turn batteries OFF with master switch. LIFTING BY CRANE 1. Secure straps to chassis tie down/lifting lugs only. 2. Place the platform onto the transport vehicle in transport position. 3. Chock the wheels. 4.
Always wear safety glasses when working near batteries. Battery uid is highly corrosive. Thoroughly rinse away any spilled uid with clean water. Always replace batteries with Snorkel batteries or manu- facturer approved replacements. • Check the battery fluid level daily, especially if the work platform is being used in a warm, dry climate.
INSPECTION AND MAINTENANCE The complete inspection consists of periodic visual and operational checks along with periodic mi- nor 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 by personnel who are trained and familiar with mechanical and electrical procedures.
SPECIFICATIONS ITEM SL26SL SL30SL PLATFORM SIZE (INSIDE TOEBOARDS) STANDARD 1.71 m x 3.66 m [67.5 in. x 144 in.] 1.71 m x 4.22 m [67.5 in. x 166.5 in.] SLIDE OUT DECK EXTENDED 1.71 m x 4.55 m [67.5 in. x 179 in.] MAXIMUM PLATFORM CAPACITY STANDARD 680 kg [1500 lbs.]...
Page 31
SPECIFICATIONS WHEEL LOADING 2000 kg (4400 lb) 2000 kg (4400 lb) VIBRATION OF THIS MACHINE DOES NOT 2.5 m/s 2.5 m/s EXCEED NOISE PRESSURE LEVEL 107 dB AT CONTROL STATION 107 dB AT CONTROL STATION MACHINE VIBRATION WHOLE BODY VIBRATION < 0.5 m/s , HAND WHOLE BODY VIBRATION <...
Please understand that these warnings cannot cover all conceivable C A U T I O N ways in which service, whether or not recommended by Snorkel, might be carried out or of the possible hazardous consequences of each conceivable way nor could Snorkel investigate all such ways.
SERVICE AND REPAIR PREVENTATIVE MAINTENANCE TABLE INTERVAL PREVENTATIVE MAINTENANCE REPORT Daily = each shift or everyday 50 hrs/30 d = every 50 hours or 30 days Date: 250 hrs/6 m = every 250 hours or 6 months Owner: 1000 hrs/2 y = every 1000 hours or 2 years Model #: Y = Yes/Acceptable Serial #:...
SERVICE AND REPAIR CHOCKING THE ELEVATING ASSEMBLY C A U T I O N DO NOT support or raise the front of the platform during any maintenance operation as this may result in damage to the tension members. W A R N I N G Before performing maintenance on a work platform while it is elevated, ensure that the elevating assembly is properly supported.
SERVICE AND REPAIR BATTERY CHARGING The battery is charged by the alternator whenever the engine is running and should not require any other charging. If the machine has not been in service or the battery has been discharged, perform the following. 1.
SERVICE AND REPAIR HYDRAULICS HYDRAULIC PUMP Remove the cap screws that mount the pump to the engine. Remove the pump from the engine and apply high pressure molybdenum grease to the splines. Re-install the pump and secure the cap screws. Tighten using a torque of 30 Nm. HYDRAULIC OIL TANK &...
SERVICE AND REPAIR MAIN RELIEF VALVE RV3 Refer to Figure 3-4 whiles reading the following procedures. 1. Operate the hydraulic system 10 to 15 minutes to warm the oil. 2. Remove the cap or loosen the locknut on the main relief valve. 3.
Page 40
SERVICE AND REPAIR Movement Manifold LIFT C O IL LOADING STEER DUM P P R O P O R T I O N A L MINI MESS GAUGE PORT FRONT STEER RIG HT BOTTOM TILT AFT STEER LEFT TILT FO RW ARD TILT RIG HT TILT LEFT Drive Manifold...
SERVICE AND REPAIR HYDRAULIC MANIFOLD Though it is not always necessary to remove the manifold to perform maintenance procedures, a decision should be made prior to beginning as to whether or not the manifold should be removed before maintenance procedures begin. This work should only be carried out by competent and ap- proved technicians in a clean environment.
SERVICE AND REPAIR REPLACING HYDRAULIC PUMP NOTE: If the hydraulic tank has not been drained, suitable means for plugging the hoses should be provided to prevent excessive fluid loss. REMOVAL 1. Mark, disconnect and plug the hose assemblies. 2. Loosen the cap screws and remove the pump assemblies from the engine. INSTALLATION 1.
SERVICE AND REPAIR REAR AXLE INSTALLATION 1. Insert the drive motor with O-ring (lubricate O-ring before assembly) installed unto the brake and secure the socket screws using loctite #242 retaining compound on the screw threads. 2. Position the drive motor and brake on the rear axle and secure with washers and H.H.
SERVICE AND REPAIR C A U T I O N ONLY use a puller to remove the hub. Using any other method of removal may damage the drive motor housing and void the war- ranty. Clean all ttings before disconnecting the hose assemblies. Plug all port holes and hose assemblies immediately to prevent contamina- tion from dust and debris.
SERVICE AND REPAIR DISASSEMBLY 1. Remove the head caps from the barrel tube. 2. Mark which end of the barrel tube the head cap was removed from. 3. Withdraw the entire shaft assembly from either end of the barrel tube. 4.
SERVICE AND REPAIR ADJUSTMENT 1. Disconnect the cylinder rod ends (if connected). 2. Operate steering so that both ends of the cylinder rod are equal in length therefore within 0.8 mm (1/32 inch). 3. Position both tyres so that they are parallel with the frame, with each other and with the rear wheels.
SERVICE AND REPAIR DISASSEMBLY 1. Unscrew the head cap from the cylinder barrel. 2. Remove the piston and rod assembly from the cylinder barrel. 3. Unscrew the piston nut and remove piston and head cap from the piston rod. 4. Remove the piston static O-ring from the cylinder rod and discard. 5.
SERVICE AND REPAIR MANUAL LEVELLING • There are occasions when the operation of manual levelling is required. • Manual levelling cannot be carried out above the elevation height (approximately 2 m). 1. Select platform controls from the ground control box. Release the ground “Emergency stop button”...
SERVICE AND REPAIR CALIBRATE LEVEL • This machine is equipped with level sensors for the chassis, the front axle and the platform as follows: 1. Chassis level sensor: This is incorporated in the ECU (GP400 control module) in the lower control box.
Page 50
SERVICE AND REPAIR LEVELLING PROCEDURE 1. Place the machine on a firm, level surface. Using a digital inclinometer, check that the chas- sis and the front axle are level with each other within +/- 0.25 degrees side to side. 2. Using the manual levelling procedure (refer to page 3-15), level the platform using a digital inclinometer to within +/- 0.25 degrees.
SERVICE AND REPAIR CALIBRATE HEIGHT • This machine has angle transducers (EZfit) attached to the boom which allows the ECU to cal- culate the platform height by comparing the boom angle with the platform angle. There are two available for self checking in case one fails. Angle transducers Figure 3-13: EZfit location W A R N I N G...
SERVICE AND REPAIR CALIBRATE LOAD • This machine has a pressure transducer fitted to the lift cylinder which allows the ECU to cal- culate the platform load by comparing the lift pressure with load calibration curves stored in the ECU. Pressure transducers Figure 3-14: Pressure transducers location...
Page 53
SERVICE AND REPAIR NOTE: During this elevation procedure, the platform will lift-stop-lift repeating the process several times taking load readings while the work platform is in a stationary position. Do not release the lift switch until the platform is fully elevated. 17.
SERVICE AND REPAIR TORQUE SPECIFICATIONS HYDRAULIC COMPONENTS NOTE: Always lubricate threads with clean hydraulic oil prior to installation Use the following values to torque hydraulic components used on Snorkel work platforms. Torque (Nm) UN/UNF Torque t fi n i t °...
Page 55
SERVICE AND REPAIR 10.9 12.9 Grade 10.9 Grade 12.9 Grade 8.8 Nominal Tightening Torque Tightening Torque Tightening Torque Clamp Clamp Clamp Thread Load Load Load K = .15 K = .20 K = .15 K = .20 K = .15 K = .20 Size lbs.
Careful inspection and accurate analysis of the symptoms listed in the troubleshooting guide will localize the trouble more quickly than any other method. This manual cannot cover all possible problems that may occur. If a specific problem is not covered in this manual, call Snorkel for service assistance.
TROUBLESHOOTING ADJUSTMENT PROCEDURES Hydraulic settings must be checked whenever a component is repaired or replaced. • Do not remove the counterbalance valves and “bench test” them if they are faulty. • Only replace them with valves of the same type. •...
TROUBLESHOOTING DIAGNOSTICS The EZcal display has a number of diagnostic tools to aid troubleshooting. To access these with the machine switched on, press and hold “ESC” for 5 seconds until “#### MENU: HELP: PRESS EN- TER” is displayed. Press “ENTER” for a top level fault message. For more detailed diagnostics from the top menu, scroll right to “DIAGNOSTICS”...
TROUBLESHOOTING SL26-30 I/O LIST GP400 I/O Meaning Movement Manifold Block Drive manifold Block Elevated drive is always low speed Connector-pin I/O type Function CE Function ANSI Comment P7-1 TBM positive TBM positive Powers valve outputs, does not power GP400 P8-14 TBM negative TBM negative P7-2...
Page 62
TROUBLESHOOTING GP400 I/O Connector-pin I/O type Function CE Function ANSI Comment P4-7 High side 2 A Throttle relay Throttle relay Energise for high revs output P4-1 High side PWM Proportional valve Proportional valve - Analogue output to propor- output - MM:SP1 MM:SP1 tional valve P4-8...
TROUBLESHOOTING GP400 I/O Connector-pin I/O type Function CE Function ANSI Comment P5-1 High side 2 A High speed sol - High speed sol - Energised for high speed drive output DM:SV13 DM:SV13 P4-15 High side 2 A Axle float solenoid Axle float solenoid Energise when driving and output...
Page 64
TROUBLESHOOTING PLATFORM MATRIX I/O Connector-pin I/O type Function CE Function ANSI Comment MP4-6 Low side 1 A output Tilt LED Tilt LED Flash when platform is tilted beyond platform tilt limits. MP4-7 Low side 1 A output Engine LED Engine LED Steady on when GP400 P7- 13,14, or 15 are low.
Page 65
SCHEMATICS INTRODUCTION 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. The schematics pro- vide an understanding to the makeup and functions of the systems for checking, tracing and fault- finding during troubleshooting analysis.
ILLUSTRATED PARTS LIST INTRODUCTION This section lists and illustrates the replaceable assemblies and parts of this product as manufac- tured by Snorkel. Each part list contains the component parts for that assembly. CONTENTS GENERAL ASSEMBLY ELECTRICAL ASSEMBLY - CABLE ASSEMBLIES...
064812-000 Hub, front sensor and take care when ordering using 027931-057 Bushing, roller the correct Snorkel part number. Ensure to cross reference the number with that given 011754-012 Split pin in the table. 064350-000...
Page 74
ILLUSTRATED PARTS LIST CHASSIS ASSEMBLY Figure 6-2: Chassis assembly of SL26/30SL Page 6 - 4 SL26/30SL...
ILLUSTRATED PARTS LIST PLATFORM ASSEMBLY - SLIDE OUT SECTION ITEM PART DESCRIPTION ITEM PART DESCRIPTION 064785-000 Side rail 064240-001 Bushing 011254-018 Screw - Cap 3/8 - 16 x 2 1/4 064778-000 Front rail 011254-032 Screw - CAP 3/8 - 16 064763-000 Deck weldment 064761-000...
Page 81
ILLUSTRATED PARTS LIST PLATFORM ASSEMBLY - SLIDE OUT SECTION Figure 6-6: Platform assembly (slide out section) of SL26SL SL26/30SL Page 6 - 11...
ILLUSTRATED PARTS LIST ENGINE CABINET ASSEMBLY Meaning Part of engine kit ITEM PART DESCRIPTION ITEM PART DESCRIPTION 1650-010 Relay 13869-02 RH hinge 514612-000 Plugin relay base 11679 LH door weld small 3602-06 Metric hex nut 11680 RH door weld large 3603-04 Plain washer 12716-13...
Page 85
ILLUSTRATED PARTS LIST ENGINE CABINET ASSEMBLY Engine cabinet assembly drawing Figure 6-8: Engine cabinet assembly of SL26/30SL SL26/30SL Page 6 - 15...
ILLUSTRATED PARTS LIST CONTROL MODULE ASSEMBLY ITEM PART DESCRIPTION ITEM PART DESCRIPTION 302-0049 Switch, battery 12716-13 Top plate control disconnect cabinet 514487-000 LCB CE 12716-14 Cabinet support 514487-001 LCB ANSI 8342416 Latch, adjustable trigger 510505-000 Cover, hydraulic hoses 3040269 Rubber boot cable end 510588-005 M5, plain washer 300840...
Page 87
ILLUSTRATED PARTS LIST CONTROL MODULE ASSEMBLY Figure 6-9: Control module assembly of SL26/30SL SL26/30SL Page 6 - 17...
ILLUSTRATED PARTS LIST LOWER CONTROL PANEL ASSEMBLY - CE ITEM PART DESCRIPTION ITEM PART DESCRIPTION 514488-000 LCB weldment 514627-000 8 way connector, Deutsch DT04-8PA- 510521-000 SW TGL SPDT ON - L012 (ON) 514629-000 Wedge, Deutsch W8P 510522-000 SW TGL SPDT (ON) OFF (ON) 509743-000 12 way connector,...
Page 91
ILLUSTRATED PARTS LIST LOWER CONTROL PANEL ASSEMBLY - CE Figure 6-12: Lower control panel assembly of SL26/30SL CE SL26/30SL Page 6 - 21...
ILLUSTRATED PARTS LIST LOWER CONTROL PANEL ASSEMBLY - ANSI ITEM PART DESCRIPTION ITEM PART DESCRIPTION 514488-000 LCB weldment 514627-000 8 way connector, Deutsch DT04-8PA- 510521-000 SW TGL SPDT ON - L012 (ON) 514629-000 Wedge, Deutsch W8P 510522-000 SW TGL SPDT (ON) OFF (ON) 509743-000 12 way connector,...
Page 93
ILLUSTRATED PARTS LIST LOWER CONTROL PANEL ASSEMBLY - ANSI Figure 6-13: Lower control panel assembly of SL26/30SL ANSI SL26/30SL Page 6 - 23...
ILLUSTRATED PARTS LIST UPPER CONTROL PANEL ASSEMBLY - CE ITEM PART DESCRIPTION ITEM PART DESCRIPTION 514484-000 A38 lower control panel 502588-000 Alarm, ECCO beeping 6 - 28 V DC 510471-000 Joystick 510472-000 Matrix board 512934-000 LED red 12 V 510157-000 12 way panel plug 512935-000 LED green 12 V...
Page 95
ILLUSTRATED PARTS LIST UPPER CONTROL PANEL ASSEMBLY - CE Figure 6-14: Upper control panel assembly of SL26/30SL ANSI SL26/30SL Page 6 - 25...
ILLUSTRATED PARTS LIST UPPER CONTROL PANEL ASSEMBLY - ANSI ITEM PART DESCRIPTION ITEM PART DESCRIPTION 514484-000 A38 lower control panel 502588-000 Alarm, ECCO beeping 6 - 28 V DC 510471-000 Joystick 510472-000 Matrix board 512934-000 LED red 12 V 510157-000 12 way panel plug 512935-000 LED green 12 V...
Page 97
ILLUSTRATED PARTS LIST UPPER CONTROL PANEL ASSEMBLY - ANSI Figure 6-15: Upper control panel assembly of SL26/30SL ANSI SL26/30SL Page 6 - 27...
ILLUSTRATED PARTS LIST UPPER CONTROL PANEL ASSEMBLY - ADDITIONS ITEM TOP LEVEL PART DESCRIPTION 514521-001 UCB mount side plate 514521-000 514521-002 UCB mount base 514521-003 UCB mount fillet 302544 Pin snapper with lanyard .375 x 2.25 14002 Wrist support Table 6-18: SL26/30SL - 514521-000, 302544, 14002, 13843-03 Figure 6-16: Upper control assembly extra’s of SL26/30SL Page 6 - 28 SL26/30SL...
ILLUSTRATED PARTS LIST HYDRAULIC HOSE ASSEMBLY ITEM PART DESCRIPTION ITEM PART DESCRIPTION 510380-000 LHF motor drain to BH 510401-000 Movement manifold to lift cylinder 510381-000 LHF BH to return manifold 510402-000 Pump to movement mani- 510382-000 RHF motor drain to BH fold 510383-000 RHF BH to return manifold 510403-000...
Page 102
ILLUSTRATED PARTS LIST HYDRAULIC HOSE ASSEMBLY PART DESCRIPTION PART DESCRIPTION Bonded seal 510692-000 Adapter male - male, 3/4 BSP - 1 058298-000 1/8 bonded seal, self center- 057124-000 1/4 bonded seal, self center- 058707-000 Plug, 3/8 BSP 057352-000 Plug, 1/2 BSP 057125-000 3/8 bonded seal, self center- 510685-000...
Page 103
ILLUSTRATED PARTS LIST HYDRAULIC HOSE ASSEMBLY Figure 6-19: Hydraulic hose assembly of SL26/30SL SL26/30SL Page 6 - 33...
ILLUSTRATED PARTS LIST HYDRAULIC CYLINDER ASSEMBLY - MAIN LIFT ITEM PART DESCRIPTION Contact product support Cylinder body Contact product support Solenoid valve (EM down) 12V Contact product support Lock nut Contact product support Piston head 063904-010 Seal kit Contact product support Spacing sleeve Contact product support Cap, body end...
ILLUSTRATED PARTS LIST ELECTRICAL ASSEMBLY - PLATFORM CONTROL BOX PART DESCRIPTION 514485-000 Enclosure 514484-000 Enclosure lid 514486-000 Platform control box overlay 510471-000 Joystick 512934-000 Red LED 512935-000 Green LED 510542-000 Black flush push button c/w 1 N/O contact block 510524-000 Twist &...