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Related Manuals for Paccar Winch Gearmatic GH30B
Summary of Contents for Paccar Winch Gearmatic GH30B
- Page 1 GH30B HIGH SPEED REVERSE HYDRAULIC HOIST SERVICE AND MAINTENANCE MANUAL WINCH DIVISION P.O. BOX 547 BROKEN ARROW, OK U.S.A. 74013 PHONE (918) 251-8511 FAX (918) 259-1575 www.paccarwinch.com Copyright 2011 LIT2397_R3_3-2011 PACCAR Winch Division Printed in U.S.A. All Rights Reserved...
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Page 2: Table Of Contents
INTRODUCTION The following service instructions have been prepared to provide assembly, disassembly, and maintenance information for the Gearmatic Model GH30B. It is suggested that before doing any work on these units, all assembly and disassembly instructions should be read an understood. Some illustrations in this manual may show details or attachments that are different from your hoist. -
Page 3: Explanation Of Model Number
EXPLANATION OF MODEL NUMBER GH30 B - SPL - 40/9 120 - - DESIGNATES GEARMATIC HOIST - EVOLUTIONARY DESIGNATION - SPECIAL ORDER DESIGNATION 40/9 - TOTAL GEAR REDUCTION (40:1 HOISTING; 9:1 LOWERING) - MOTOR DISPLACEMENT (12 CU. IN/Rev) - DRUM OPTION... -
Page 4: General Safety Recommendations
28. Whenever possible, install the hoist in a location that 13. Do not weld on any part of the hoist without approval is not immediately adjacent to a “normal” operator’s from PACCAR Winch Engineering. station. 14. Use recommended hydraulic oil and gear lubricant. -
Page 5: General Installation
GENERAL INSTALLATION The hoist must be mounted with the centerline of the CAUTION WARNING drum in a horizontal position. The mounting plane can be rotated to any position around this centerline, pro- viding the vent plug is positioned above the oil level. DO NOT use a control valve with any detents or latch- ing mechanism that would hold the control valve in an 2. -
Page 6: Theory Of Operation
THEORY OF OPERATION Description of Winch When hoisting or pulling a load, the overrunning clutch al- lows free rotation of the motor shaft and primary sun gear. The winch has three basic parts. The sprag cams lay over and permit the shafts splined to 1. -
Page 7: Hydraulic Circuit
HYDRAULIC CIRCUIT ROTATION PORT "Q" CONTROL VALVE MAX 100 PSI RETURN LINE PRESSURE BRAKE RELEASE BRAKE COOLING PORT PUMP COOLING OIL RETURN LINE MIN HOSE SIZE 3/4 IN. ID LOW PRESS MAX 15 PSI BACK PRESSURE AT PORT "Q" MICRON RETURN LINE FILTER Figure 4... -
Page 8: Wire Rope Installation
WIRE ROPE INSTALLATION CAUTION WARNING THE CABLE ANCHORS ALONE ON HOISTS ARE NOT INTENDED TO HOLD RATED LOADS. Hoist loads applied directly to the wire rope anchor may cause the wire rope to pull free and result in the sudden loss of load control and cause property damage, personal injury or death. - Page 9 Cable Wedge Installation for -07 Drums It is important that the wire rope have the proper tension- Check to ensure the wedge does not protrude from either ing when it is installed on the drum. When the wire rope end of the pocket, causing it to interfere with proper spool- is fi...
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Page 10: Hoist Operation
HOIST OPERATION The following warnings and instructions are basic to safe hoist operation. Please read them carefully and follow them each time your hoist is operated. These instructions are provided in addition to any information furnished by the Original Equipment Manufacturer. Equipment operators should be completely familiar with the overall operation of the piece of equipment on which the hoist is mounted (i.e. -
Page 11: Preventative Maintenance
PREVENTATIVE MAINTENANCE A regular program of preventive maintenance for your plan- 6. A warm-up procedure is recommended at each start- etary hoist is required to minimize the need for emergency up and is mandatory at ambient temperatures below servicing and promote safe, reliable hoist operation. +40°F (4°C). - Page 12 The gear oil should be changed whenever the ambient To change the winch gear oil, remove the drain plugs on temperature changes signifi cantly and an oil from a differ- both ends of the winch and the drain plug in the drum. ent viscosity range would be more appropriate.
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Page 13: Recommended Planetary Gear Oil
Recommended Planetary Gear Oil Failure to use the proper type and viscosity of planetary gear oil may contribute to intermittent brake clutch slippage which could result in property damage, severe personal injury or death. Some gear lubricants contain large amounts of EP (extreme pressure) and anti-friction additives which may contribute to brake slippage and damage to brake friction discs or seals. -
Page 14: Oil Sampling And Analysis
OIL SAMPLING AND ANALYSIS Proper oil sampling and analysis of the sample, is a vital Analysis part of a comprehensive preventive maintenance program. General Guide Lines Information obtained from the oil analysis is best utilized in (After approximately 250 hours of operation) conjunction with a regular program of preventive mainte- Note: The fi... -
Page 15: Troubleshooting
TROUBLESHOOTING PROBABLE CAUSE REMEDY TROUBLE 1. System relief valve may be set too low. Install a pressure gauge in the hoisting port and apply Winch will not pull maxi- a stall pull on the winch. If pressure is low, increase mum load. - Page 16 TROUBLESHOOTING TROUBLE PROBABLE CAUSE REMEDY 1. Same as A-2. Same as remedy for A-2. Considerable reduction in line speed. 2. Same as A-4. Same as remedy for A-4. 3. Same as A-6. Same as remedy for A-5 and B-4. 4. If this trouble has increased gradually, the Remove and inspect pump.
- Page 17 TROUBLESHOOTING TROUBLE PROBABLE CAUSE REMEDY The winch will not lower 1. The friction brake may not be releasing as a Check brake piston seals. the load or not lower the result of a defective brake piston seal. load smoothly NOTE: If the brake piston seal is defective, you will usually notice excessive oil fl...
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Page 18: Hoist Disassembly
HOIST DISASSEMBLY CAUTION The GH30B weighs approximately 1500 lbs (680 kg). Make certain lifting equipment has adequate capacity. Using under- sized or poorly maintained lifting equipment may result in a dropped load, property damage injury or death. HOIST 4. Remove Overrunning clutch assembly OIL DRAIN OIL DRAIN 1. - Page 19 6. Remove the primary sun gear (7),ring gear (6), Thrust Bearing (48), and primary carrier assembly (300) 8. Remove the primary housing (2) and end-plate (1). Use eye-bolts and lift straight up off of the drum. 7. Mark the tie plates to the side of the winch to ease re- assembly.
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Page 20: Brake Cylinder
BRAKE CYLINDER DISASSEMBLY 1. A hydraulic press or spring compressor tool is re- quired to disassemble the brake subassembly. Place the brake subassembly on the press with the primary housing cover (201) down. Place a heavy steel bar across the large diameter of the pressure plate (210) and compress the springs until spring force is removed from the retaining ring (209). - Page 21 BRAKE CYLINDER ASSEMBLY 1. A hydraulic press or spring compressor tool is required to assemble the brake subassembly. Place the brake housing cover (201) on a clean work surface with the motor side up and space it at least two (2) inches off the table with wood or metal blocks.
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Page 22: Cable Drum
CABLE DRUM SERVICE DISASSEMBLY ASSEMBLY Note: The capscrews used to fasten the drum fl ange to the drum barrel are different lengths for each drum 1. Stand the drum with the freefall end fl ange down. Re- fl ange. The motor end fl ange capscrews are 2 inch move the twelve capscrews (508) and lift the motor long hex heads, and the freefall end capscrews are 1 end fl... -
Page 23: Primary Planet Carrier
PRIMARY PLANET CARRIER SERVICE DISASSEMBLY 1. Remove the planet gears by fi rst driving the roll pins 2. Use a punch to drive the roll pins from the planet gear (item 31) into the center of the planet gear shafts (item shafts. - Page 24 PRIMARY PLANET CARRIER SERVICE ASSEMBLY 1. Install a bearing into a planet gear and place a thrust 3. The roll pin is slightly recessed into the carrier when washer on each side of the gear. Position this assem- properly installed. With a center punch, stake the car- bly into an opening in the carrier.
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Page 25: Output Planet Carrier
OUTPUT PLANET CARRIER SERVICE DISASSEMBLY ASSEMBLY 1. Place the output carrier on a clean work surface with the drive pins down. 2. Apply a liberal coat of oil soluble grease to a thrust washer and center it on one side of a planet gear. Place the planet gear on a clean work surface with the thrust washer down. -
Page 26: Overrunning Clutch Service
OVERRUNNING CLUTCH SERVICE NOTE: Outer race (item 2), Inner race (item 1) and Overrunning clutch (item 3) are NOT SOLD individually as re- placement parts. If any of these parts require replacement, the entire overrunning clutch assembly must be replaced. Carefully note the relative orientation between the inner and outer races, and the direction of free rotation of the inner race. -
Page 27: Hoist Assembly
HOIST ASSEMBLY 1. Assemble Brake, Cable Drum, Overrunning Clutch, and 10. Install bearing (12) in the primary housing. Apply Loc- Planet Carrier subassemblies following the procedures tite Aviation Gasket Sealant (or a non-hardening seal- in the subassembly section of this manual. ant) to the outside diameter of the oil seal (11) and in- stall in primary housing. -
Page 31: Metric Conversion Table
METRIC CONVERSION TABLE English to Metric Metric to English LINEAR inches (in.) X 25.4 = millimeters (mm) millimeters (mm) X 0.3937 = inches (in.) feet (ft.) X 0.3048 = meters (m) meters (m) X 3.281 = feet (ft.) miles (mi.) X 1.6093 = kilometers (km) kilometers (km)