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Manual Keep this manual with machine at all times XL7320II S/N 7320000028 & After 73204082 Revised December 11th, 2018 This manual, and all manuals for the Gradall Hydraulic Excavator product line, can be viewed or downloaded, free-of- charge, at www.mygradall.com...
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IMPORTANT! - If printed, or downloaded in electronic format, this is an uncontrolled copy of the manual. The current version can be viewed/down- loaded at www.mygradall.com Gradall is a registered trademark for hydraulic excavators, industrial maintenance machines, attachments and other components manufactured and marketed by Gradall Industries, Inc.
Due to continuous product improvements, Gradall Industries, Inc. reserves the right to make specification changes without prior notification. Contact Gradall Industries, Inc.
Inc. or the local authorized Gradall representative for information regarding safety- related bulletins which may have been issued for this product. Gradall Industries, Inc. sends safety related bulletins to the owner of record of this machine. Contact Gradall Industries, Inc. to ensure that the current owner records are updated and accurate.
Table of Contents Table of Contents TABLE OF CONTENTS Revision Log Read This First Operator Qualifications ............b Modifications ..............b Other Publications Available ..........c Table of Contents Section 1 - General Safety Practices 1.1 Hazard Classification System ..........1-1 Safety Alert System and Safety Signal Words ....1-1 1.2 General Precautions ............1-1 1.3 Operation Safety ..............1-2...
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Table of Contents Normal Engine Operation ..........3-1 Cold Weather Starting Aids ..........3-2 3.2 Checks Before Operation ............ 3-3 3.3 Brake System ..............3-4 3.4 Engine Shutdown ..............3-5 3.5 Parking the Excavator ............3-6 Precaution ..............3-6 Parking Procedure............3-6 3.6 Preservation &...
Section 1 - General Safety Practices SECTION 1 - GENERAL SAFETY PRACTICES HAZARD CLASSIFICATION SYSTEM Safety Alert System and Safety Signal Words DANGER OW0010 DANGER indicates an imminently hazardous situation which, if not avoided, will result in death or serious injury. WARNING OW0021 WARNING indicates a potentially hazardous situation which, if not avoided, could...
Section 1 - General Safety Practices OPERATION SAFETY Electrical Hazards 10 FT (3 M) OAC0330 • This machine is not insulated and does not provide protection from contact or being near electrical current. • NEVER operate the excavator in an area where overhead power lines, overhead or underground cables, or other power sources may exist without ensuring the appropriate power or utility company de-energizes the lines.
Section 1 - General Safety Practices Swing Hazards OAC0340 • Keep others away from machine while in operation. Ensure others are clear of the swing radius prior to swinging upperstructure. • Never carry a water can, equipment, or other worker’s tools or personal items on the machine.
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Section 1 - General Safety Practices OAC1240 • The circle of safety is a circle around the excavator with the boom at full extension. • Establish and inform others of the circle of safety. Keep others from entering into the circle of safety. 73204082...
Section 1 - General Safety Practices Slip and Fall Hazard OAC0350 • Always maintain 3-point contact using proper hand holds and steps provided when mounting or dismounting. Never grab control levers or steering wheel when mounting or dismounting machine. • Repair or replace damaged steps and grab handles. •...
Section 1 - General Safety Practices Crush Hazards OAC1250 • Do not lean on boom or reach into boom holes, bucket linkage or boom rollers until the attachment or boom is resting on the ground and the engine is stopped. •...
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Section 1 - General Safety Practices OAC1020 • Never permit anyone under boom, attachment or load. Rest boom or attachment on ground and stop engine before permitting anyone to work beneath boom or behind cradle. 73204082...
Section 1 - General Safety Practices Travel Hazards OAC0710 • Look out for and avoid other personnel, machinery and vehicles in the area. Use a spotter if you do not have a clear view. • Before moving be sure of a clear path for chassis, boom and counterweight and sound horn.
Section 1 - General Safety Practices Tip Over Hazard • Understand how to properly use the capacity chart located in cab. Do not exceed rated lift capacity. Plan the lift to be sure it can be performed safely. • Maintain proper tire pressure at all times. •...
• DO NOT operate machine in an enclosed area without proper ventilation. • DO NOT operate the machine in hazardous environments unless approved for that purpose by Gradall and site owner. Sparks from the electrical system and the engine exhaust can cause an explosion.
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Section 1 - General Safety Practices Hydraulic Fluid OAC1260 • DO NOT use your hand to check for leaks. Use a piece of cardboard or paper to search for leaks. Wear appropriate equipment to protect yourself from spraying fluid. If fluid is injected into the skin seek medical attention immediately. •...
Section 1 - General Safety Practices Battery OAC1270 • Keep sparks, flames and lighted material away from batteries. Explosive gases could cause death or serious injury. Dust Hazard OAC0660 • Repeated or substantial breathing of hazardous dusts, including crystalline silica, could cause fatal or serious respiratory disease including silicosis.
Section 1 - General Safety Practices PERSONAL PROTECTION EQUIPMENT Wear all the protective clothing and personal safety devices issues to you or called for by job conditions. You may need: • Hard hat • Safety shoes • Safety glasses, goggles or face shield •...
Section 2 - Pre-Operation and Controls SECTION 2 - PRE-OPERATION AND CONTROLS PRE-OPERATION CHECKS & INSPECTION Note: Complete all required maintenance before operating unit. FALL HAZARD. Use extreme caution when checking WARNING items beyond your normal reach. Use an approved ladder.
Section 2 - Pre-Operation and Controls WALK-AROUND INSPECTION Before conducting the walk around inspection, make sure the engine is off and the transmission is in neutral with the park brake engaged. The boom should be fully extended and attachment must be resting on the ground and securely blocked. The walk-around inspection will start with components at ground level, concluding with components on the upperstructure.
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Section 2 - Pre-Operation and Controls BOOM: 1. Attachment - • See Inspection Note. • Properly Installed. • Excessive wear in stop plate. 2. Teleboom - • See Inspection Note. • Tool eye pin and retainer plate secure. • Teleboom hole covers installed (if equipped). •...
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Section 2 - Pre-Operation and Controls • Hoses at boom tilt gland secure in clamps; clamp hardware secure. CAB: • General appearance; no visible damage; Operator & Safety manual located in manual drawer. • Grab handles and steps secure and clean. •...
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Section 2 - Pre-Operation and Controls 7. Radiator/Oil Cooler - Fins are clean and undamaged; free of debris. 8. Hydraulic Reservoir and cover - See Inspection Note. Replace damaged latches. Check fluid level on sight gauge, refill as required; reservoir breather clean;...
Section 2 - Pre-Operation and Controls SAFETY DECALS Ensure all DANGER, WARNING, CAUTION and instructional decals and proper capacity charts are legible and in place. Clean and replace as required. Decal Locations 80509019 80509017 80509015 80509012 80509016 80213104 OAD0560 80509016 73204082...
Section 2 - Pre-Operation and Controls CAB COMPONENTS OAD0041 73204082...
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Section 2 - Pre-Operation and Controls 1. Air Diffuser Vents 2. Manual Drawer (under operator seat): Keep Operator & Safety Manual with machine at all times. 3. Steering Wheel: Turn steering wheel to left or right to steer the machine in the corresponding direction.
Section 2 - Pre-Operation and Controls CAB CONTROLS & INDICATORS Electronic Monitoring Unit OAD0260 1. Digital Display: See “Electronic Monitoring Unit Digital Display” on page 2-12 2. Ignition: Key Activated. See page 2-28 for details. 3. Joystick Control Pattern Selection Switch: See “Joystick Control Pattern Selection”...
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Section 2 - Pre-Operation and Controls Electronic Monitoring Unit Digital Display User Interface - Work Mode OAD0320 1. Visual Display (Work Mode): See page 2-13 for details. 2. Green Visual Indicator: Illuminated when no alarms are present. 3. Orange Visual Indicator: Illuminated when CAN fault is detected. See pages 2-14 &...
Section 2 - Pre-Operation and Controls Visual Display (Work Mode) After a “welcome” screen, the visual display is shown as illustrated below. HOURS FUEL OPER A 99999.9 999.9 °C °C WATER TEMP HYD TEMP SYSTEM OK OAD0330 1. Machine Hours 2.
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Section 2 - Pre-Operation and Controls System Status The System Status bar is used to display machine system status. When the machine system is functioning normally, “SYSTEM OK” is displayed. When the machine system has an alarm or fault present, it will display along with other alarms of the same level.
Section 2 - Pre-Operation and Controls System Status Alarms Messages to be displayed on the system status bar and the visual and audible actions are described as follows: The “Buzzer” column indicates the behavior of the audible alarm. The “Reset Freq” column indicates the length of time an alarm can be silenced before the audible alarm returns if condition is still present.
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Section 2 - Pre-Operation and Controls User Interface - Menu Mode OAD0360 1. Visual Display (Menu Mode): See page 2-17 for details. 2. Keypad Input “1”: Scroll up through menu options. 3. Keypad Input “2”: Scroll down through menu options. 4.
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Section 2 - Pre-Operation and Controls Visual Display (Menu Mode) MENU: PREFERENCES UNITS METRIC LANGUAGE ENGLISH AUDIBLE ALARM CONTRAST 1 (UP) 2(DOWN) 3(SET) 4(ESC) OAD0370 To select a parameter, press the Keypad Input “1” or “2” buttons to scroll to desired selection.
Section 2 - Pre-Operation and Controls Right Hand Arm Pod OAC0840 1. Engine Speed: Rotary switch. Rotate switch clockwise to increase engine rpm; rotate counterclockwise to decrease engine rpm. 2. Mode Select Switch: Depress front of switch (I) for fine grade mode. Depress back of switch (II) for dig mode.
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Section 2 - Pre-Operation and Controls 10. Auto Idle Override Switch: Depress front of switch (I) to activate auto idle. Depress back of switch (II) to deactivate auto idle. • With auto idle activated, engine speed will return to low idle after 7 seconds of hydraulic control inactivity.
Section 2 - Pre-Operation and Controls Left Hand Arm Pod OAD0550 1. Boom Tilt Speed Switch: Rotary switch. Rotate switch clockwise to decrease boom tilt speed; rotate counterclockwise to increase boom tilt speed. 2. Switch is inactive for this application. 3.
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Section 2 - Pre-Operation and Controls 8. Dig Brake Mode Select Switch: 3-position switch. • Depress front of switch to turn dig brake off. • Center position turns dig brake on. • Depress back of switch for dig brake auto mode. 9.
The control pattern selection switch allows the operator to select from three joystick control patterns; GRADALL, SAE and JOHN DEERE. The pattern must be selected with the ignition key in the “OFF” position. If a new pattern is selected while the engine is running, it will not change until the engine is turned off then restarted.
Section 2 - Pre-Operation and Controls Joystick Controls Activating the Joysticks The joysticks will remain locked/inactive until the control cut out lever (1) located on the left hand arm pod (2) is moved to the unlocked/active position. INACTIVE ACTIVE OAC0920 Joystick Control Patterns Before operating, refer to the position of the joystick control pattern switch located on the electronic monitoring unit to verify control pattern setting.
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Section 2 - Pre-Operation and Controls SAE Joystick Controls OAD0520 Left Hand Joystick Functions • Move the joystick back to retract boom; move joystick forward to extend boom. Move joystick right to swing boom right; move joystick left to swing boom left. •...
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Section 2 - Pre-Operation and Controls GRADALL Joystick Controls OAD0530 Left Hand Joystick Functions • Move the joystick back to raise boom; move joystick forward to lower boom. Move joystick right to close tool; move joystick left to open tool.
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Section 2 - Pre-Operation and Controls JOHN DEERE Joystick Controls OAD0540 Left Hand Joystick Functions • Move the joystick back to raise boom; move joystick forward to lower boom. Move joystick right to swing boom right; move joystick left to swing boom left. •...
Section 2 - Pre-Operation and Controls Operator Seat Adjustments OAD0100 Prior to starting engine adjust seat for position and comfort. 1. Upper Seat Fore and Aft Adjustment Control 2. Weight Adjustment Control 3. Lower Seat Fore and Aft Adjustment Control 4.
Section 2 - Pre-Operation and Controls Ignition STOP OAC0820 1. ACC: Voltage is available for all electrical functions. 2. OFF: Engine off. 3. RUN: Prohibits rotating key switch to position 4 in the event the engine does not start. Rotate the key to position 2 then back to position 4 to re-engage the starter.
Section 2 - Pre-Operation and Controls Park Brake Switch OAD0110 • Park Brake Switch: This switch controls the application and release of the park brake. • With the engine running and the park brake switch in “OFF” position (1), park brakes are disengaged.
Section 3 - Operation SECTION 3 - OPERATION ENGINE OPERATION Starting Engine 1. Perform walk-around inspection on page 2-2 2. Apply the parking brake. 3. With travel pedal in idle position, turn ignition to “START” position. Release key immediately when engine starts. If engine does not start after three attempts, check fuel supply system.
Section 3 - Operation Cold Weather Starting Aids • It is the owners responsibility to determine proper use of starting aid with regard to engine and starting aid manufacturer’s instruction. • An ether starting aid may be used with this engine only if it does not have the optional grid heater.
Section 3 - Operation CHECKS BEFORE OPERATION This section outlines the checks to be performed at the beginning of each work shift or at each change of operator. Repair any deficiencies before driving or operating the equipment. 1. Check all lights and turn signals, defroster, windshield wiper and washer for proper operation.
Section 3 - Operation BRAKE SYSTEM The brake system includes service brakes, parking brakes and digging brakes. NEW BRAKES. New brakes need increased stopping CAUTION distance. Brake capability will improve after several stops. Failure to stop may result in death or serious OW0031 injury.
Section 3 - Operation ENGINE SHUTDOWN To shutdown the excavator, park in a safe location on flat level ground and away from other equipment and/or traffic lanes. 1. Stop machine by engaging service brake pedal. 2. Swing the machine to align upperstructure with chassis 3.
Section 3 - Operation PARKING THE EXCAVATOR Precaution Avoid parking on roads or highways. If it cannot be avoided, or in case of emergency, display warning flags, flares or flashing lights. Parking Procedure 1. Perform “Engine Shutdown” on page 3-5. 2.
Section 3 - Operation PRESERVATION & STORAGE • Park the machine following the procedure on page 3-6. • If it is impractical to activate functions regularly, and if freezing temperatures are expected, remove batteries and store in a warm location. •...
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• An overextended or overloaded excavator can tip over with little or no warning and cause death or serious injury to the operator and/or those working nearby. • Gradall cannot assure the ability of a non-approved attachment to perform its intended function safely.
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Section 4 - Attachments This Page Intentionally Left Blank 73204082...
Always check hourmeter and date at beginning of shift to be certain services are performed at proper intervals. Perform service at whichever interval comes first. Note: Failure To Use Gradall Hydraulic Filter Elements Could Void Warranty. FALL HAZARD. Use extreme caution when checking WARNING items beyond your normal reach.
• Apply a light coating of engine oil to all linkage pivot points. • Drain engine and gear cases after operating when oil is hot. • Check all lubricant and coolant levels when cool. MACHINE DAMAGE. Contact Gradall before welding WARNING on machine. Welding could damage wires, electronic processors, hoses, and tubes.
Section 6 - Emergency Procedures SECTION 6 - EMERGENCY PROCEDURES LOSS OF POWER The engine will de-rate if a problem develops. If this occurs, lower boom and attachment to the ground as soon as possible. Make all necessary repairs before continued operation.
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Section 6 - Emergency Procedures TOWING THE MACHINE To be performed ONLY by qualified field maintenance personnel. Activate the Emergency Actuation 1. Shut down engine. 2. Block machine with wheel chocks and attach machine to tow vehicle using a rigid tow bar. 3.
SECTION 7 - SPECIFICATIONS PRODUCT SPECIFICATIONS Lubrication & Fluid Capacities Note: Lubricants described in this table are used in standard machines when they are shipped from Gradall Industries, Inc. Engine Crankcase Oil Capacity with Filter Change ............17 quarts (16 liters) Type of Oil: See approved oils on Sheets 228.3 &...
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Section 7 - Specifications Rear Axle Planetary (2 places) Capacity..................9.8 pints (4,6 liters) Type of Oil................80w90 (p/n 80533027) Fuel Tank Capacity..................90 gallons (341 liters) Type of Fuel ........Ultra Low Sulfur Diesel (ULSD) (p/n 80533028) Swing Transmission Capacity..................4.75 quarts (4,5 liters) Type of Fluid ................80w90 (p/n 80533027) Swing Bearing Capacity.....................as required...
12.970” x 8.685” x 6.750” (329.4 mm x 220.59 mm x 171.45 mm) Weight Operating Weight ..............74,700 lb (33,883 kg) Note: Refer to detailed specification sheet for additional machine weight information. Specification sheets can be viewed/downloaded at www.gradall.com Dimensions Wheelbase ....................12.6 ft (3,8 m) Ground Clearance ...................1.4 ft (0,4 m) Overall Length, boom level, (with scaling hook) ........40.2 ft (12,2 m)
Section 7 - Specifications TORQUE CHART To check Gradall torque values, set the torque wrench at 95% of the rated torque values and check fastener. If the torque wrench releases before the fastener moves, assume fastener torque is correct. When setting Gradall torque values, use the values given on the following chart.
Section 7 - Specifications FUSES Fuse location and size designations are identified with the decal shown below. MONITOR POWER SPARE IGNITION POWER RC POWER - 1 ATTENTION: SENSOR POWER USE FUSE SIZES AS DESIGNATED. RC POWER - 3 USING THE WRONG FUSE SIZE CAN RC POWER - 2 CAUSE DAMAGE TO ELECTRICAL SP-3...
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Hand Signals OY1090 OY1100 OY1110 EMERGENCY STOP - With both STOP - With either arm extended STOP ENGINE - Draw thumb or arms extended laterally, hands laterally, hand open downward, forefinger across throat. open downward, move arms back move arm back and forth. and forth.
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Gradall Industries, Inc. 406 Mill Ave SW New Philadelphia OH. 44663 Phone: (330) 339-2211 Customer Support Toll Free: (800) 445-4752 Fax: (330) 339-3579 www.gradall.com Gradall Europe Division of Tieluiska Harkkokatu 6 FI-05800 Hyvinkää, Finland Tel. +358 (0)20 759 0400 Fax. +358 (0)19 485 278 VAT:FI05973039 www.gradalleurope.com...
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