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Sutphen SL75 Operation Manual

Aerial ladders and aerial platform
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SINGLE AXLE AERIALS 2012
Sutphen Corporation
OPERATION
MANUAL
Models SL75, SA75 & SP70
Aerial Ladders and Aerial Platform
Page 1 of 55
8/31/2012
Manual-2012
_SL75-SA75-SP70.docx

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  • Page 1 SINGLE AXLE AERIALS 2012 Sutphen Corporation OPERATION MANUAL Models SL75, SA75 & SP70 Aerial Ladders and Aerial Platform Page 1 of 55 8/31/2012 Manual-2012 _SL75-SA75-SP70.docx...

  • Page 2: Table Of Contents

    ROTATION GEAR REDUCER ..........................26 DRIVE GEARS ............................... 26 TOWER EXTENSION/RETRACTION CYLINDER (Models SA65, SA75, & SP70) ..Error! Bookmark not defined. TOWER EXTENSION/RETRACTION CYLINDER (Model SL75 only) ............26 SHEAVES AND CABLES ............................. 27 SLIDE BLOCKS ..............................29 WATERWAY AND SEALS ............................ 29 WATERWAY AND SEALS ..................
  • Page 3 SINGLE AXLE AERIALS 2012 AERIAL TOWER LUBRICATIONAND MAINTENANCE SCHEDULE ......37 TORQUE SPECIFICATIONS ....................38 ............................... 44 ............................... 46 Page 3 of 55 8/31/2012 Manual-2012 _SL75-SA75-SP70.docx...

  • Page 4: Introduction

    At all times, common sense and safety should be your first consideration. Thank you for purchasing your apparatus from Sutphen. We work toward giving you complete satisfaction. Sutphen knows your apparatus best and has the parts and factory-trained technicians available.

  • Page 5: Operation Safety Points

    SUTPHEN TOWERS, INC. 2012 OPERATION SAFETY POINTS The aerial tower is only as good or as safe as the operator is competent. Continued training and familiarization is essential. Personnel should not climb the aerial tower until the ground operator indicates it is safe to do Do not operate turntable controls while personnel are climbing the tower.
  • Page 6 SUTPHEN TOWERS, INC. 2012 control equipment; etc. Follow the recommended maintenance schedules in this manual. All members should frequently practice the different phases of aerial tower operations. Never set up the aerial tower on marshy ground, freshly filled ground, or other soft surfaces.

  • Page 7: General Warning

    SUTPHEN TOWERS, INC. 2012 GENERAL WARNING DO NOT OPERATE THIS APPARATUS UNTIL YOU ARE: • THOROUGHLY FAMILIAR WITH THIS INSTRUCTION MANUAL. • THOROUGHLY TRAINED IN THE OPERATION OF THIS APPARATUS. • ABLE TO OPERATE THIS APPARATUS IN STRICT ACCORDANCE WITH THE MANUFACTURER'S RECOMMENDATIONS.

  • Page 8: Aerial Tower Operation

    SUTPHEN TOWERS, INC. 2012 AERIAL TOWER OPERATION RATED CAPACITIES: 65’ & 75’ Aerials (built prior to August 18, 2006) The rated capacity of the 65’ and 75’ aerials is 500 lbs. with or without water in the waterway, in any position of operation.

  • Page 9: Steps For Placing Pto In Gear

    SUTPHEN TOWERS, INC. 2012 STEPS FOR PLACING PTO IN GEAR ENGAGE THE POWER TAKE-OFF (PTO) PLACING PTO IN GEAR The PTO operates the hydraulic pump, which provides pressure to the hydraulic system. An electric switch located near the center of the cab dash panel activates the PTO.

  • Page 10: Cab Set-Up For Pump Operation

    SUTPHEN TOWERS, INC. 2012 CAB SET-UP FOR PUMP OPERATION See Fire Pump Manufacturer’s Manual for more detailed information. TO PLACE FIRE PUMP IN GEAR: Truck must be stopped and parking brake set. Truck transmission should be in "neutral" position. Engine must be at idle R.P.M.
  • Page 11 SUTPHEN TOWERS, INC. 2012 Attempting to place the PTO in gear with the pump in gear will result in serious damage to the PTO and transmission -- unless engine RPMs are at idle -- approximately 700 RPM. Page 11 of 55...

  • Page 12: Aerial Tower Set-Up

    SUTPHEN TOWERS, INC. 2012 AERIAL TOWER SET-UP Leave transmission in neutral. Set parking brake. Engage PTO at engine idle. Exit cab. Place wheel chocks approximately 3” in front of and behind rear tires. Pull out operator's step. Set ground pads and stabilizers. Do this by pressing the “LOWER” control switch (See figure 1).
  • Page 13 SUTPHEN TOWERS, INC. 2012 Figure 1 The aerial is now ready for operation. The automatic jack locks should have engaged, and hydraulic power diverted to the aerial controls. (See figures 2 & 3). Figure 2 Page 13 of 55 8/31/2012 Manual-2012 _SL75-SA75-SP70.docx...
  • Page 14 SUTPHEN TOWERS, INC. 2012 Figure 3 The aerial ladder must be operated with respect, discretion, and proper training. The aerial ladder should move on low speed when there is any danger, electric wires, buildings, at close operations, returning to the cradle, and during operation around the cab. When the aerial is returned to the cradle, remove jack pins and push the "Jack Release"...

  • Page 15: Tower Operation

    SUTPHEN TOWERS, INC. 2012 TOWER OPERATION Never operate the tower without first deploying the stabilizer jacks with proper ground pads beneath them. At all times, the ground operator must be at the controls, standing on the slide out step, for safe operation.

  • Page 16: Extend And Retract

    SUTPHEN TOWERS, INC. 2012 Make sure the tower has cleared the truck body, cab, and lights before rotating. The recommended procedure for tower operation is a slow, steady movement of the control lever. This will produce a smooth tower operation.

  • Page 17: High Speed Control

    SUTPHEN TOWERS, INC. 2012 HIGH SPEED CONTROL A "High-Speed" switch is located on or adjacent to the pump panel. This switch increases the engine speed and hydraulic pressure at the same time. The speed of any operation of the tower can be increased with this switch. CAUTION MUST BE TAKEN WHEN USING THIS "HIGH- SPEED"...

  • Page 18: Auxiliary Hydraulic Power Switch

    SUTPHEN TOWERS, INC. 2012 AUXILIARY HYDRAULIC POWER SWITCH The auxiliary hydraulic power switch is to be used only to place the ladder back into cradle and to raise the jacks - not to be used for normal operations. The auxiliary hydraulic power switch is located inside the hydraulic compartment. Use the auxiliary hydraulic power switch if a main hydraulic pump fails in the tower or if the truck engine fails.

  • Page 19: Safety Interlock System

    SUTPHEN TOWERS, INC. 2012 SAFETY INTERLOCK SYSTEM The safety interlock system prevents operating the tower until the stabilizers are properly set. The system is an electric hydraulic locking device. When the stabilizers are properly set, hydraulic power is transferred to the aerial controls.

  • Page 20: Interlock Jack Release

    SUTPHEN TOWERS, INC. 2012 INTERLOCK JACK RELEASE The safety interlock system is provided with a "Jack Release" switch. (See figure 4) Figure 4 Never operate the tower unless the stabilizers and pads are properly set. The "Jack Release" switch, when activated, transfers operation to the stabilizers. Use this switch only when operations are complete and ladder is back in cradle.

  • Page 21: Waterway And Nozzle

    SUTPHEN TOWERS, INC. 2012 WATERWAY AND NOZZLE OPERATION AND USE The waterway through which water from the pump is transferred to the nozzle is a three (3) or four (4) section telescopic aluminum device. It is located within the tower sections, mounted and cushioned to eliminate any undue stress or strain under tower operations conditions.

  • Page 22: Platform Mounting And Leveling System

    SUTPHEN TOWERS, INC. 2012 These steps must be followed in the above order to completely drain waterway and all nozzles. This will prevent freezing in cold weather. PLATFORM MOUNTING AND LEVELING SYSTEM At all times, the platform must be maintained in a level position relative to the turntable. This is accomplished by a self-contained electrical system, eliminating any hydraulic lines up the tower.

  • Page 23: Retract The Tower

    SUTPHEN TOWERS, INC. 2012 RETURN AERIAL TO TRAVEL POSITION RETRACT THE TOWER Retract the tower fully by pulling the left control lever, located at the control box, outward. If the waterway has been used before retracting the tower, the nozzle and waterway drain must be open to avoid compressing the water in the waterway.

  • Page 24: Retract The Stabilizers

    SUTPHEN TOWERS, INC. 2012 RETRACT THE STABILIZERS Remove jack pins. Activate switch marked "Jack Release", located inside the hydraulic compartment. Retract the stabilizers by depressing the “RAISE” switch, located near the control box. Release the "Jack Release" switch and activate "Hi-Speed" switch on pump panel until jacks are fully retracted.

  • Page 25: Aerial Tower Lubrication And Service

    SUTPHEN TOWERS, INC. 2012 AERIAL TOWER LUBRICATION AND SERVICE STABILIZERS When the stabilizers are extended completely to the ground, an area of the inner sleeve becomes exposed. This exposed area also comes in contact with the inside surface of the outer tube.

  • Page 26: Rotation Gear Reducer

    SUTPHEN TOWERS, INC. 2012 At this time, we recommend all bolts attaching the turntable to the bearing, and all bolts attaching the bearing to the main frame (where applicable) be checked for tightness. SEE TURNTABLE ATTACHMENTS, page 40. ROTATION GEAR REDUCER This device rotates the turntable and tower assembly.

  • Page 27: Sheaves And Cables

    SUTPHEN TOWERS, INC. 2012 bolts need to be checked every three (3) months for tightness. SHEAVES AND CABLES There are sheaves and cables which are part of the tower extension/retraction system from the second section up. Each sheave has a bearing and requires periodic lubrication. In the sheave bearing pin, there is a grease fitting provided.
  • Page 28 SUTPHEN TOWERS, INC. 2012 Figure 5 6. Extend and retract the ladder a few times; then with the ladder extended at least 2/3 of full extension, retract the ladder and stop on retract stroke when the rung alignment lights. 7. Adjust the extend cables as outlined in step 5 above. Remember there will always be some slack in the cables not doing the work of the function performed.

  • Page 29: Slide Blocks

    SUTPHEN TOWERS, INC. 2012 of the sections being pulled down by gravity is supported by the extend cables. Because of this, the extend cables are more likely to experience stretching and require adjustment. The retract cables are actually pulling only at elevations near or below horizontal.

  • Page 30: Waterway Nozzle

    SUTPHEN TOWERS, INC. 2012 Procedure: (Models SP70, SA75 & SL75 – black waterways) Set up truck for tower operation. Raise and rotate ladder off the side of truck. Fully extend ladder out. Use a clean towel and wipe off the outer sections of the waterway tubes.

  • Page 31: Hydraulic Oil Tank

    SUTPHEN TOWERS, INC. 2012 platform will keep the platform level. This is an exclusive safety feature of this tower. HYDRAULIC OIL TANK The tank, located in under the left side rear cab entrance, has a capacity of 32 gallons. The hydraulic oil furnished in your aerial tower hydraulic system is filtered Dexron III hydraulic oil.
  • Page 32 SUTPHEN TOWERS, INC. 2012 2. Raise the cab and locate the Fill Level Dip Stick on top of the Hydraulic Fluid Reservoir, which is located behind the driver’s side front tire. 3. Check the current oil level. Proceed only if it is below the full level (line on dip stick).
  • Page 33 SUTPHEN TOWERS, INC. 2012 5. Remove the plug from the inlet side of the suction hose. 6. Insert the quick connect end of the suction hose into the fill port. Page 33 of 55 _SL75-SA75-SP70.docx 8/31/2012 Manual-2012...
  • Page 34 SUTPHEN TOWERS, INC. 2012 7. Connect or submerge the inlet side of the suction hose to/into a container of Dexron III hydraulic fluid. 8. Lift the red safety cover over the Hydraulic Tank Fill switch, and move the switch to the up position.

  • Page 35: High Pressure Filtration System

    There are 24 bolts on the turntable. These bolts have a SAE hardened washer and are factory- installed to torque of 200-210 ft. lbs. This torque should be checked every three (3) months. Any indication of loosening or bolt failure should be reported to Sutphen Towers, Inc. for evaluation and disposition.

  • Page 36: Attachment Of Support Structure To Truck Frame

    "C" lock nuts. The assemblies are factory-installed to a torque of 300- 325 ft. lbs. on the nut and should be checked every three (3) months. Any indication of loosening or bolt failure should be reported to Sutphen Towers, Inc. for evaluation and disposition.
  • Page 37 SUTPHEN TOWERS, INC. 2012 AERIAL TOWER LUBRICATIONAND MAINTENANCE SCHEDULE LUBRICATION POINTS LUBRICANT INTERVAL MONTHLY ANNUALLY STABILIZERS Multi-Purpose Grease AS NEEDED MAIN LIFT CYLINDER Multi-Purpose Grease 25 OPERATING HOURS PIVOT SHAFT BEARING Multi-Purpose Grease 25 OPERATING HOURS TURNTABLE BEARING Multi-Purpose Grease FIRST 3 MO.
  • Page 38 SUTPHEN TOWERS, INC. 2012 TORQUE SPECIFICATIONS ITEM TORQUE INTERVAL MONTHLY ANNUALLY #1. TURNTABLE TO ROTATION BEARING 200 FT. LBS. FIRST 3 MO. THEN #2. ROTATION BEARING TO SUPPORT 200 FT. LBS. FIRST 3 MO. THEN STRUCTURE #3. LOWER ASSEMBLY SIDE PLATE TO TRUCK 300 FT.
  • Page 39 SUTPHEN TOWERS, INC. 2012 Page 39 of 55 _SL75-SA75-SP70.docx 8/31/2012 Manual-2012...
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  • Page 43 SUTPHEN TOWERS, INC. 2012 Warning/ Danger/ Caution Labels List Tag 38-1 Horizontal Fumes Caution Tag 17 Avoid Electrocution Danger Tag 382 Pressurized Inlets Warning Tag 18 Pinch Point Caution Tag 385 Jump Stud Tag 57A Seated & Belted Warning Tag 395C...
  • Page 44 SUTPHEN TOWERS, INC. 2012 Page 44 of 55 _SL75-SA75-SP70.docx 8/31/2012 Manual-2012...
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This manual is also suitable for:

Sa75Sp70

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