Rice Lake CLS-420 Technical Manual
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Rice Lake CLS-420 Technical Manual

Rice Lake CLS-420 Technical Manual

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Download this manual See also: Technical Manual, Installation Manual
GH30B
w/FOUR BOLT SAE "C" & "D" FLANGE MOTORS
EQUAL SPEED GEARING WITH
EQUAL SPEED HYDRAULIC HOIST
SERVICE AND MAINTENANCE MANUAL
LIT2429 R2
9-2010
Printed in U.S.A.
AND WITHOUT FREE FALL
-40XXXC
-40XXXD
P.O. BOX 547 BROKEN ARROW, OK U.S.A. 74013
PHONE (918) 251-8511 FAX (918) 259-1575
www.paccarwinch.com
1
WINCH DIVISION
Copyright 2010
PACCAR Hoist Division
All Rights Reserved

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Summary of Contents for Rice Lake CLS-420

  • Page 1 GH30B -40XXXC -40XXXD w/FOUR BOLT SAE “C” & “D” FLANGE MOTORS EQUAL SPEED GEARING WITH AND WITHOUT FREE FALL EQUAL SPEED 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 LIT2429 R2 Copyright 2010...

  • 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-40XXXC and 40XXXD. 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 XXXC - GH30 - DESIGNATES GEARMATIC HOIST - EVOLUTIONARY DESIGNATION - SPECIAL ORDER DESIGNATION - TOTAL GEAR REDUCTION (40:1) XXXC - NO MOTOR SAE “C” FLANGE XXXD - NO MOTOR SAE “D” FLANGE - DRUM OPTION - FREE FALL CAUTION...

  • Page 4: General Safety Recommendations

    GENERAL SAFETY RECOMMENDATIONS Safety for operators and ground personnel is of prime concern. Always take the necessary precautions to ensure safety to others as well as yourself. To ensure safety, the prime mover and hoist must be operated with care and concern for the equipment and a thorough knowledge of the machine’s performance capabilities.

  • Page 5: General Installation

    GENERAL INSTALLATION 1. 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: Basic Operation

    BASIC OPERATION DESCRIPTION OF HOIST FIGURE 2 The GH30B-XXXXXC or XXXXXD and two-speed hoists MOTOR STATIC are made up of the following sub-assemblies: BRAKE 1. Hydraulic motor and brake valve 2. Brake cylinder and brake clutch assembly 3. Hoist base components BRAKE VALVE 4.
  • Page 7 The static brake is released by the brake valve pilot pres- When lowering a load very slowly for precise positioning, sure at a pressure lower than that required to open the very little oil fl ow actually occurs through the hoist motor. pilot operated spool valve.

  • Page 8: Description Of Free Fall Operation

    DESCRIPTION OF FREE-FALL OPERATION The primary sun gear is directly coupled to the hydraulic motor by over-running clutch in the static brake assembly. As the motor turns in the hoisting direction the planetary CAUTION WARNING assemblies reduce the input speed of the motor and rotate the fi...

  • Page 9: Hydraulic Circuit

    HYDRAULIC CIRCUIT TWO-SPEED MOTOR SINGLE SPEED MOTOR HOIST ASSEMBLY HOIST ASSEMBLY W/BRAKE VALVE W/BRAKE VALVE & STATIC BRAKE & STATIC BRAKE BRAKE VALVE HOIST BRAKE BRAKE VALVE HOIST BRAKE 2-SPEED SELECTOR CONTROL CONTROL VALVE VALVE VALVE PUMP PUMP In order to maintain maximum effi ciency in the hoist, se- HOSE REQUIREMENTS lect the size of hydraulic lines according to the maximum Oil Flow GPM...

  • Page 10: 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 11 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...

  • Page 12: 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 13: 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 14 The gear oil should be changed whenever the ambient To change the hoist gear oil, remove the drain plugs on temperature changes signifi cantly and an oil from a differ- both ends of the hoist and the drain plug in the drum. En- ent viscosity range would be more appropriate.
  • Page 15 FREE FALL HOIST OIL FILL HOIST VENT OIL FILL OIL LEVEL SIGHT GAUGE OIL DRAIN OIL DRAIN HOISTING PORT FREEFALL BRAKE RELEASE PORT SERIAL NUMBER To Be Assembled in LOCATION Vertical Position DRAIN TO TANK LOWERING PORT CABLE DRUM OIL DRAIN...

  • Page 16: 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 17: 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 18: 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 Hoist will not pull maxi- a stall pull on the hoist. If pressure is low, increase mum load.
  • Page 19 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, Remove and inspect pump.
  • Page 20 TROUBLESHOOTING TROUBLE PROBABLE CAUSE REMEDY The hoist will not lower 1. Brake valve not operating properly. Inspect brake valve. the load or not lower the 2. The friction brake may not be releasing as a Check brake piston seals. load smoothly result of a defective brake piston seal.

  • Page 21: Hoist Without Free Fall Disassembly

    HOIST WITHOUT FREE FALL 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 OIL DRAIN OIL DRAIN...
  • Page 22 9. Remove the primary housing (2) and end-plate (1). Use eye-bolts and lift straight up off of the drum. 7. Remove the sun gear (7), thrust washer (48), and the primary planet carrier assembly (300) from the hoist and remove the ring gear spacer (36) and ring gear (6).

  • Page 23: Free Fall Hoist Disassembly

    FREE FALL HOIST DISASSEMBLY HOIST DO NOT remove bolts (806) which fasten the bearing support (802) to the freefall housing (801) until the free fall assembly is removed from the hoist and retaining ring (818) is removed from the bearing support (802). Removing the bearing support bolts (806) with the re- taining ring (818) on the bearing support will apply free fall spring force to retaining ring (818) and may result...
  • Page 24 4. Remove the four capscrews and lockwashers securing the motor to the hoist and lift the motor off the hoist. Remove the overrunning clutch assembly (100). See Overrunning Clutch Service section in this manual for overrunning clutch service. Remove and discard the o-ring installed on the motor pilot.
  • Page 25 CAUTION The complete freefall assembly must be removed to service the internal parts, because the bearing support (802) cannot be removed without fi rst removing the free- fall assembly at the support end-plate (3). This is done by removing the bolts and lockwashers (35 & 16). 12.
  • Page 26 FREE FALL ATTACHMENT Refer to Hoist disassembly to remove the freefall assem- bly from the hoist. DO NOT remove bolts (806) which fasten the bearing support (802) to the freefall housing (801) until the free Follow this procedure after the freefall assembly has been fall assembly is removed from the hoist and retaining removed from the support end housing (3).
  • Page 27 2. Turn the freefall assembly on the opposite side, so the bearing support capscrews (806) are facing up. Re- move bolts securing bearing support (802) to freefall housing (801). 4. Remove the spacers (815), divider plates (814), and CAUTION friction plates (813). The bearing support is under spring tension from the freefall assembly brake springs.

  • Page 28: Brake Cylinder Service

    BRAKE CYLINDER SERVICE DISASSEMBLY Clean and Inspect CAUTION The motor adapter is under spring tension from the brake springs. Loosen each of the capscrews one turn at a time until spring tension is released. 1. Stand the brake assembly on the splined end, with the motor adapter up.
  • Page 29 3. Place steel disc on fl at surface and check for distortion 2. Place friction brake disc on fl at surface and check for with a straight edge. Check surface for signs of mate- distortion with a straight edge. Friction material should rial transfer or excessive heat.
  • Page 30 5. Place the brake cylinder on a clean work surface with BRAKE CYLINDER PRESSURE TEST the drum end down. Install the spring spacer (item 10), then the 18 springs (item 9.) 1. Install a -6 ORB fi tting into the brake release port on the motor adapter.

  • Page 31: Cable Drum Service

    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 32: Primary Planet Carrier Service

    PRIMARY PLANET CARRIER SERVICE DISASSEMBLY 1. Remove the planet gears by fi rst driving the roll pins (item 31) into the center of the planet gear shafts (item 2. Use a punch to drive the roll pins from the planet gear 28).
  • Page 33 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.

  • Page 34: Output Planet Carrier Service

    OUTPUT PLANET CARRIER SERVICE ASSEMBLY DISASSEMBLY 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 35: Over-Running Clutch Service

    OVER-RUNNING CLUTCH SERVICE ASSEMBLY Failure to assemble the over-running clutch assembly with all parts oriented correctly may result in reduced brake effectiveness, which may lead to loss of load con- trol and result in property damage, injury or death. 1. If both bearings (item 44) have been removed from the inner race, install one of them now.

  • Page 36: Brake Valve Service

    BRAKE VALVE SERVICE NOTE: The drain port is plugged and not used on GH30B might result in fl uid leakage. Inspect the bore in the hoists. An external hose is run from the motor case drain valve body that the spool seats against and the spool to tank.

  • Page 37: Hoist Without Free Fall Assembly

    HOIST WITHOUT FREE FALL ASSEMBLY 1. Assemble Brake, Cable Drum, Overrunning Clutch, 10. Install bearing (12) in the primary housing. and Planet Carrier subassemblies following the proce- dures in the subassembly section of this manual. 11. Lightly grease the inner race of the drum bearing (504) and drum seal (506).

  • Page 38: Free Fall Hoist Assembly

    FREE FALL HOIST ASSEMBLY 1. Assemble Brake, Cable Drum, Freefall, and Planet 9. Install bearing (12) in the primary housing and apply Carrier subassemblies following procedures in the a light coat of grease to the inner race. Apply grease subassembly section of this manual. to the inner race of the drum bearing (504) and seal (505).
  • Page 39 THIS PAGE INTENTIONALLY LEFT BLANK...

  • Page 40: Hoist Without Free Fall Cross-Section And Parts Key

    HOIST WITHOUT FREE FALL CROSS-SECTION AND PARTS KEY...

  • Page 42: Free Fall Hoist Cross-Section And Parts Key

    FREE FALL HOIST CROSS-SECTION AND PARTS KEY...

  • Page 44: 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)

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