Gehl SL7600 Operator's Manual
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Gehl SL7600 Operator's Manual

Gehl SL7600 Operator's Manual

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Form No.
SL7600
908274
English
SL7800
SKID STEER
LOADER
OPERATOR'S MANUAL

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Summary of Contents for Gehl SL7600

  • Page 1 Form No. SL7600 908274 English SL7800 SKID STEER LOADER OPERATOR’S MANUAL...
  • Page 2 Gehl Company, in cooperation WRONG with the American Society of Agricultural Engineers and the Society of Automotive Engineers, has adopted this Safety Alert Symbol to pinpoint precautions which, if not properly followed, can create a safety hazard. When you see this symbol in...

  • Page 3: Table Of Contents

    Warranty ......84 Loader Model Number Loader Serial Number Engine Serial Number All-Tach, Hydraloc and Hydraglide are trademarks of Gehl Company. Gehl and Powerview are registered trademarks of Gehl Company.

  • Page 4: Introduction

    The Gehl dealership network stands ready to provide you with any assistance you may require, including providing genuine Gehl service parts. All service parts should be obtained from your Gehl dealer. Give complete information about the part and include the model and serial numbers of your machine.
  • Page 5 If this machine was purchased "used," or if the owner's address has changed, please provide your Gehl dealer or Gehl Company Service Department with the owner's name and current address, along with the machine model and serial number. This will allow the registered owner information to be updated, so that the owner can be notified directly in case of an important product issue, such as a safety update program.
  • Page 6 Model Identification Front Work Lights Restraint Bar Lift Arm Hand Holds Tilt Cylinders Hitch Tires Roll Over/ Falling Object Protective Structure (ROPS/FOPS) Engine Cover Rear Work Lights Tail Lights Rear Door Rear Link 908274/BP1202...
  • Page 7 Control/Indicator Symbols Power Off Power On Engine Start Battery Charge Electrical Power Worklight Seatbelt - Lap Worklight Safety Alert Hazard Flasher w/Flasher Only Read Operator’s Horn Volume - Full Volume- Half Full Volume - Empty Manual High - Low Neutral Forward Reverse Parking Brake...

  • Page 8: Safety

    Such hazards include, but are not limited to, hillside operation, overloading, instability of the load, poor maintenance and using the equipment for a purpose for which it is not intended or designed. Gehl considers the operator’s safety when designing its machinery ALWAYS and guards exposed moving parts for the operator’s protection.
  • Page 9 Ü To ensure safe operation, replace damaged or worn-out parts with genuine Gehl service parts. Ü Gehl skid steer loaders are designed and intended to be used only with Gehl attachments or approved referral attachments. Gehl cannot be responsible for operator safety if the loader is used with a non-approved attachment.
  • Page 10 Ü Always travel with the heavier end of the loader toward the top of the incline for additional stability when operating on inclines or ramps. Ü Do not raise or drop a loaded bucket or fork suddenly. Abrupt movements under load can cause serious instability. Ü...
  • Page 11 These decals must be kept legible. If missing or illegible, they must be replaced promptly. Replacements may be obtained from your Gehl dealer. New equipment must have all decals specified by the manufacturer affixed to their proper place.
  • Page 12 Safety Decals inside the ROPS 137628 - Located on manual box, behind seat 137647 - Located on operator’s lower left side Part of left instrument panel 908274/BP1202...
  • Page 13 Safety Decals on the Outside of the Skid Loader 137655 - Located on front of loader 137755 - Located on hitch (manual hitch loaders only) 139101 - Located on hitch (power hitch loaders only) 908274/BP1202...
  • Page 14 Safety Decals in the Engine Compartment 137657 - Located on radiator 137756 - Located on lift arm support device 137658 - Located on radiator 137760 - Located on rear door 908274/BP1202...
  • Page 15 Safety Decals inside the ROPS Safety alert: Always follow “Mandatory Safety Shutdown Procedure” in Operator’s Manual. 1 - Lower equipment to ground. 2 - Reduce throttle, stop engine. 3 - Apply parking brake; remove 137842 - Located on manual key. box, behind seat 4 - Check safety interlocks.
  • Page 16 Safety Decals on the Outside of the Skid Loader 137844 – Located on front of loader A - Crush hazard: Keep out from under worktool unless lift arm is supported. B - Fall hazard: No riders; Never use work tool as work platform. 137852 –...
  • Page 17 Safety Decals in the Engine Compartment 137845 – Located on radiator A - Safety alert: Keep safety devices in place and in working order; Keep guards, screens and windows in place. B - Fire hazard: Do not smoke while fueling or servicing machine; Clean debris from engine compartment daily to avoid fire;...

  • Page 18: Controls And Safety Equipment

    Know how to stop loader operation before starting it. This Gehl loader is designed and intended to be used only with a Gehl attachment or a Gehl-approved referral attachment or accessory.
  • Page 19 Battery Disconnect A battery disconnect switch is located in the rear of the skid loader. Turn the switch to the position to disconnect the battery from the electrical system. Fig. 2: Battery Disconnect Switch Safety Interlock System WARNING NEVER defeat the safety interlock system by mechanically or electrically bypassing any switches, relays or solenoid valves.
  • Page 20 ROPS/FOPS The ROPS/FOPS (Roll Over/Falling Object Protective Structure) is designed to provide protection for the operator from falling objects and in case the loader tips or rolls over, provided the operator is secured inside the ROPS by the seatbelt and restraint bar. WARNING Never operate the loader with the ROPS removed or locked back.
  • Page 21 If the valve does not hold the lift arm, lower the lift arm completely. Contact your Gehl dealer immediately to determine why the lift arm lowers while the keyswitch is...
  • Page 22 Accessory Plug (Optional) The optional accessory plug is located at the bottom of the left instrument panel. Heater (Optional) Loaders with the optional heater have a dial on the left instrument panel to control the fan operation of the heater. Heater and Air Conditioner (Optional) Loaders with the combined heater/air conditioner have three controls on the left instrument panel:...
  • Page 23 Speed Control A right-hand controlled throttle lever is provided on all models for adjusting the engine speed. Move the control forward to increase the engine speed and rearward to decrease the engine speed. T-Bar and Dual Hand Controls Only: A right-foot operated accelerator pedal is provided to control the engine RPM.
  • Page 24 Attachment Mounting Your Gehl loader may be equipped with either a manual All-Tach™ attaching mechanism (hitch) or power All-Tach™ hitch for mounting a bucket or other attachment. Fig. 9: Manual All-Tach Hitch Fig. 10: Power All-Tach Hitch Manual All-Tach Hitch A manual latch lever engages the latch pins.
  • Page 25 Instrument Panel The instrument panel contains the following switches and indicators. Symbols on the panel represent various functions and conditions, and are visible only when indicator lamps are on. Left Panel Note: Items 1 through 3 are indicator lights which display the following: 1.
  • Page 26 Right Panel Note: Items 1 through 8 are indicator lights which display the following: 1. Air Filter Restriction (optional) -Lights if the air filter becomes restricted, warning the operator to stop the engine. Inspect the air cleaner filters and replace if necessary. During normal operation, this indicator should be 2.
  • Page 27 9. Hourmeter – Indicates the total operating hours of the loader. 10. Fuel Level Gauge – Indicates the amount of fuel in the tank. 11. Engine Coolant Temperature Gauge – Indicates the engine coolant temperature. 12. Light Switch – Controls all the lights (standard and optional) on the loader.
  • Page 28 T-Bar Controls Your Gehl loader may be equipped with the T-Bar control option. The left T-Bar controls the drive and the right T-Bar controls the lift/tilt. Drive Control Forward, reverse, speed and turning maneuvers accomplished Fig. 13: T-Bar Controls movement of the left T-Bar. To go 1.
  • Page 29 Lift/Tilt Control Moving the lift arm and tilting the attachment are accomplished by movement of the right T-Bar. To raise the lift arm, pull the control straight rearward; to lower the lift arm, push the control straight forward. To tilt the attachment downward, twist the control clockwise;...
  • Page 30 Hand/Foot Controls Your Gehl loader may be equipped with the hand/foot control option. The handles control the drive and the foot pedals control the lift/tilt. Drive Controls Fig. 14: Hand/Foot Controls Forward, reverse, speed and turning 1. Right Drive Control Handle maneuvers are accomplished by 2.
  • Page 31 Lift/Tilt Controls Moving the lift arm and tilting the attachment are accomplished by movement of the foot pedals. The left pedal raises and lowers the lift arm; the right pedal tilts the attachment. To raise the lift arm, use your heel to push down on the left pedal;...
  • Page 32 Dual Hand Controls Your Gehl loader may be equipped with the dual hand control option. The left handle controls the left side drive and the lift. The right handle controls the right side drive and the tilt. Drive Controls Fig. 15: Dual Hand Controls 1.
  • Page 33 Lift/Tilt Controls Moving the lift arm and tilting the attachment are accomplished by rotating the control handles. To raise the lift arm, rotate the left control up; to lower the lift arm, rotate the left control down. To tilt the attachment downward, rotate the right control up;...
  • Page 34 Auxiliary Hydraulic Controls Auxiliary hydraulics are used with an attachment that has a mechanism requiring hydraulic power of its own. Important: Always be sure the auxiliary hydraulic control is in neutral before starting the Fig. 16: Auxiliary Couplers loader or removing the auxiliary 1.
  • Page 35 High Flow Auxiliary Hydraulic Controls In addition to standard flow auxiliary hydraulic connections, some loaders are shipped with reversible high flow auxiliary hydraulics. Coupler hookup is located on the right lift arm. High flow auxiliary hydraulics are used for operating high oil flow hydraulic attachments...
  • Page 36 NOTES 908274/BP1202...

  • Page 37: Operation

    OPERATION WARNING Before starting the engine and operating the loader, review and comply with all safety recommendations in the Safety chapter of this manual. Know how to stop the loader before starting it. Also, be sure to fasten and properly adjust the seatbelt and lower the operator restraint bar.
  • Page 38 A block heater is recommended for starting in temperatures of 20°F (-7°C) or lower. See your Gehl dealer for heater options. Stopping the Loader The following procedure is the recommended sequence for stopping the loader: 1.
  • Page 39 Jump-starting If the battery becomes discharged or does not have enough power to start the engine, use jumper cables and the following procedure to jump-start the engine. Remote battery connectors are located at the rear of the loader. WARNING The only safe method for jump-starting a discharged battery is for two people to perform the following procedure.
  • Page 40 Changing Attachments WARNING prevent unexpected release attachment from the hitch, be sure to properly secure the hitch latch pins by rotating the latch lever all the way to the left (manual All-Tach hitch) or by ensuring that the pin flags are all the way to the outside (power All-Tach hitch) The skid loader features either a manual or power All-Tach™...
  • Page 41 Power hitch: Activate the switch to lock the hitch and fully engage the latch pins. Important: To check that the attachment is properly installed, apply downward pressure to the attachment prior to operating. Connect Auxiliary Hydraulic Couplings Note: With the engine , key in the position and the restraint bar down, the auxiliary hydraulic control can be moved to relieve any pressure in the hydraulic...
  • Page 42 Using a Bucket WARNING Always maintain a safe distance from electric power lines and avoid contact with any electrically charged conductor or gas line. Accidental contact or rupture can result in electrocution or an explosion. Contact the “Digger’s Hotline” or proper local authorities for utility line locations before starting to dig.
  • Page 43 Loading a Bucket Approach the pile with the lift arm fully lowered and the bucket tilted slightly forward until the edge contacts the ground. Drive forward, lifting the lift arm and tilting back the bucket to fill it. Back away from the pile.
  • Page 44 Scraping with a Bucket For scraping, the loader should be operated in the forward direction. Position the lift arm down against the loader frame. Tilt the bucket cutting edge forward at a slight angle to the surface being scraped. While traveling slowly forward with the bucket in this position, material can flow over the cutting edge and collect inside the bucket.
  • Page 45 Highway Travel If it becomes necessary to move the loader a long distance, obtain and use a properly rated trailer. For short distance highway travel, attach an SMV (Slow Moving Vehicle) emblem (purchased locally) to the back of the loader. For highway operation, obtain and install dual amber flashers or a strobe light.
  • Page 46 Transporting the Loader WARNING Park the truck or trailer on a level surface. Be sure the vehicle and its ramps have the weight capacity to support the loader. Be sure the vehicle surface and its ramps are clear of debris and slippery material that may reduce traction. Move the loader on and off the vehicle ramp slowly and carefully.
  • Page 47 Lifting the Loader The loader can be lifted using a single-point or four-point lift kit, which are available from your authorized Gehl dealer. WARNING • Before lifting, check the lift kit for proper installation. • Never allow riders in the operator’s compartment (ROPS) while the loader is lifted.

  • Page 48: Service

    Engine Oil Filter Element 137500 In-line Fuel Filter 137794 Spin-on Fuel Filter Cartridge 137499 Fresh Air Intake Filter (heater option) 138551 Recirculation Air Filter (heater option) 138545 Note: Part numbers may change. Your Gehl dealer will always have the latest part numbers. 908274/BP1202...
  • Page 49 Loader Raising Procedure To raise the skid loader so that all four tires are off the ground, use the procedure below: WARNING Do not rely on a jack or hoist to maintain the raised position without additional blocking and supports. Serious personal injury could result from improperly raising or blocking the skid loader.
  • Page 50 Engine Compartment Access Important: Do not raise the lift arm with the engine cover raised. To open the engine compartment, turn the rear door latch and carefully lower the rear door. Lift the engine cover. The side panels are removed by turning the butterfly bolts and pulling the panels out.
  • Page 51 Adjustments Control Handles The control handles do not require routine adjustment. Refer to the Service Manual for the initial setup procedure. Fuel Sender The fuel sender, located on the fuel tank, sends a signal to the fuel gauge indicating the amount of fuel in the fuel tank. Check the fuel sender periodically to ensure that the mounting screws are tight and that there is no fuel seepage around the gasket.
  • Page 52 Lubrication Listed below are the locations, temperature ranges and types of lubricants for this machine. Refer to the separate engine manual for more information regarding engine lubricants, quantities and grades required. Note: Refer to the specific service sections for detailed information on periodic checking and replenishing of lubricants.
  • Page 53 50/1000 50/500 1000 Fig. 37: Service Locations 10 Hours 500 Hours 250 Hours Lubrication Procedure (or Daily) (or Yearly) Check Engine Oil Level (p56) Check Hydraulic Oil Level (p57) Grease Lift Arm, Hitch, Cylinder Pivots and Latch Pins (p49) Check Oil Level in Chaincases (p51) Change Engine Oil and Filter (p56)
  • Page 54 Chaincases There is a chaincase on each side of the loader. Refer to the Maintenance Interval Chart (page 71) for change intervals. Refer to the “Lubrication” topic (page 49) for information on oil type and quantity. Checking and Adding Oil 1.
  • Page 55 Drive Chains Drive chains are located in the chaincase on each side of the machine. Refer to the Maintenance Interval Chart (page 71) for tension check interval. Check Chain Tension 1. Raise the loader following the “Loader Raising Procedure” (page 46). 2.
  • Page 56 Engine Air Cleaner Important: Failure to follow proper filter servicing instructions could result in catastrophic engine damage. The air cleaner consists of an outer (primary) filter element and an inner (secondary) filter element. An air filter restriction indicator for monitoring the condition of the elements is located on the right side of the front of the air cleaner.
  • Page 57 Replace the outer element if any damage is noted. The outer element must be replaced if it is oil- or soot-laden. Note: Gehl does not recommend cleaning the outer element. Inner Element Note: Replace the inner element only if it is dirty or if the outer element has been replaced three times.
  • Page 58 Engine Service Refer to the Maintenance Interval Chart (page 71) for change intervals. Refer to the “Replacement Parts” topic (page 45) for replacement part numbers. Check Engine Mounting Hardware All bolts that secure the engine mounting brackets to the engine and the loader frame should be checked and re-torqued as necessary.
  • Page 59 Check Oil Level Open the rear door and engine cover (page 47). Pull out the dipstick and check the oil level. Markings on the dipstick represent (add oil) FULL levels. Change Engine Oil and Filter Important: For new units, the initial oil change should be after the first 50 hours.
  • Page 60 Hydraulic System Refer to the Maintenance Interval Chart (page 71) for service intervals. Refer to the “Replacement Parts” topic (page 45) for replacement part numbers. WARNING Before servicing the hydraulic system, be sure the lift arm is lowered. Check Filter Indicators Hydraulic oil filter: An indicator on the instrument panel lights when the filter becomes restricted.
  • Page 61 3. Remove the drain plug located on the bottom left of the oil reservoir. Early Units:To drain the oil in earlier units, remove the belly plate and disconnect the lowest fitting from the front of the hydraulic tank. 4. Change the oil filters. 5.
  • Page 62 Cooling System Important: Check the cooling system every day to prevent overheating, loss of performance and engine damage. Refer to the Maintenance Interval Chart (page 71) for other service intervals. Check Coolant Level 1. Remove the left access panel (page 47). Check that the coolant recovery tank is 1/3 to 1/2 full with a cold engine and 2/3 to 3/4 full with a hot engine.
  • Page 63 Tires Rear tires usually wear faster than the front ones. To keep tire wear even, rotate the tires from front to rear and rear to front. It is important to keep the same size tire on each side of the loader to prevent excessive wear on tires, chain and chaincase, or other damage.
  • Page 64 Electrical System Circuit Breakers The circuit breakers for the loader are located on the right instrument panel. Battery WARNING Before servicing the battery or electrical system, be sure the battery disconnect switch is in the position. The battery on the loader is a 12 volt, wet-cell battery, located under the operator’s seat.
  • Page 65 WARNING Explosive gas is produced while a battery is in use or being charged. Keep flames or sparks away from the battery area. ALWAYS charge the battery in a well-ventilated area. Never lay a metal object on top of a battery, because a short circuit can result.

  • Page 66: Troubleshooting

    TROUBLESHOOTING Electrical System Problem Possible Cause Remedy Battery disconnect switch is Turn battery disconnect switch to 20 ampere breakers are Check circuit and locate tripped. trouble before resetting breaker. Entire electrical Main wiring harness Check main harness system does not connectors at rear of ROPS connectors.
  • Page 67 Electrical System Problem Possible Cause Remedy Single light doesn’t work: Check and replace light bulb Light bulb burned out, faulty as needed. Check wiring wiring. connection to light. Work lights not functioning No lights at all; 20 ampere Check circuit and locate properly.
  • Page 68 Engine Problem Possible Cause Remedy Engine cranking speed too Battery requires recharging slow. or replacing, or, in cold temperatures, pre-warm the engine. Auxiliary valve engaged. Return the control valves to neutral. Fuel tank empty. Refill fuel tank. Glow plug module Check connection and Engine turns over malfunctioning.
  • Page 69 908274/BP1202...
  • Page 70 Hydrostatic System Problem Possible Cause Remedy Hydraulic oil viscosity is Allow longer warm-up or replace too heavy. existing oil with the proper viscosity oil. Air in hydraulic system. Cycle lift and tilt cylinders to maximum stroke and maintain pressure for a short time to clear Hydrostatic (drive) air from system.
  • Page 71 908274/BP1202...
  • Page 72 908274/BP1202...
  • Page 73 Hydraulic System Problem Possible Cause Remedy Restraint bar is raised. Lower the restraint bar. Spool lock solenoid Check electrical connections malfunctioning to lock solenoid and repair connections as needed. If still not functioning properly, contact your dealer. Auxiliary Restraint bar or seat switch Contact your dealer.

  • Page 74: Maintenance Schedule

    MAINTENANCE SCHEDULE This Maintenance Interval Chart was developed to match the Service chapter of this manual. Detailed information on each service procedure may be found in the Service chapter. A Maintenance Log follows the chart for recording the maintenance performed. Recording the 10 hour (or daily) service intervals would be impractical and is therefore not recommended.
  • Page 75 Maintenance Log Date Hours Service Procedure 908274/BP1202...
  • Page 76 Maintenance Log Date Hours Service Procedure 908274/BP1202...
  • Page 77 Maintenance Log Date Hours Service Procedure 908274/BP1202...

  • Page 78: Specifications

    SPECIFICATIONS Loader Specifications Operating Weight 7600 9745 lb (4420 kg) 7800 9955 lb (4515 kg) Shipping Weight 7600 8040 lb (3650 kg) 7800 8175 lb (3710 kg) SAE Rated Operating Load 7600 3150 lb (1429 kg) 7800 3600 lb (1633 kg) Engine Make Yanmar...
  • Page 79 Standard Features Ü Ü Fuel Gauge Hydraloc™ System – Brakes and Ü Interlock for Starter, Lift Cylinders, Tilt Engine Coolant Temperature Gauge Cylinders, Wheel Drives, Auxiliary and and Light High Flow Hydraulics Ü Hourmeter Ü Dual Element Air Cleaner with Visual Ü...
  • Page 80 Dimensional Specifications 3/4 Yd Bucket 1 Yd Bucket w/14 X 17.5 Tires w/14 X 17.5 Tires inches (mm) inches (mm) A Overall Operation Height - Fully Raised 185.8 (4719) 189.3 (4808) B Height to Hinge Pin - Fully Raised 142.0 (3607) 142.0 (3607)
  • Page 81 Capacities and Ratings Note: Use the Table of Common Materials and Densities (page 79) for selecting the appropriate bucket. Dirt / Construction Buckets Description Weight 7600 Rating 7800 Rating 660 lb 3150 lb 3700 lb 82/84” 21 ft (2083/2121 mm 0.6 m (300 kg) (1430 kg) (1678 kg)
  • Page 82 Table of Common Materials and Densities Density Material (lb/ft (kg/m 35-50 560-800 Ashes Brick-common 1792 Cement 1760 Charcoal Clay, Wet-Dry 80-100 1280-1600 Coal 53-63 848-1008 Concrete 1840 Cinders Coal-anthracite 1504 Coke Earth-dry loam 70-90 1121-1442 Earth-wet loam 80-100 1281-1602 Granite 93-111 1488-1776 Gravel-dry...
  • Page 83 Example 2: If granite (density of 1488-1776 kg/m ) is to be hauled using an SL7600 model loader using a 21 ft Dirt/Construction Bucket, the bucket capacity is 0.6 m and the loader rating is 1430 kg. Multiply the density of granite (1776 kg/m ) by the capacity of the bucket (0.6 m...

  • Page 84: Index

    INDEX Cooling System ....59 Accessory Plug ....19 Check Coolant Level .
  • Page 85 Horn ......17 ROPS/FOPS ....17 Hydraulic System .

  • Page 86: Torque Specifications

    TORQUE SPECIFICATIONS Use these torque values when tightening hardware (excluding: locknuts, and self-tapping, thread forming, and sheet metal screws) unless otherwise specified. UNIFIED GRADE 2 GRADE 5 GRADE 8 NATIONAL LUBED LUBED LUBED THREAD 8-32 8-36 10-24 10-32 1/4-20 1/4-28 5/16-18 5/16-24 3/8-16...

  • Page 87: Warranty

    No agent, employee or representative of Gehl has any authority to bind Gehl to any warranty except as specifically set forth herein. Any of these limitations excluded by local law shall be deemed deleted from...
  • Page 89 WRONG WRONG Always carry attachments Never exceed rated as low as possible. Do not operating load. travel or turn with the lift arms raised. Load, unload and turn on flat level WRONG WRONG Never carry riders. Never modify equipment. Use only attachments Keep bystanders away from work area.
  • Page 90 State of California to cause cancer and birth defects or other reproductive harm. Wash hands after handling battery. ® Gehl Company 143 Water Street, P.O. Box 179, West Bend, WI 53095-0179 U.S.A. www.gehl.com 908274/BP1202 © 2002 GEHL COMPANY PRINTED IN U.S.A.

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