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Summary of Contents for WACKER Group CT 30 Series
- Page 1 www.wackergroup.com 0112103 0600 Walk-Behind Trowels CT 30 CT 36 CT 48 REPAIR MANUAL...
- Page 3 TROWEL REPAIR FOREWORD This manual covers machines with Serial Number or Item Number: 0007587, 0007589, 0007590, 0007591, 0007592, 0007594, 0007595, 0007596, 0007597, 0007598, 0007599, 0007601, 0007602, 0007603, 0007697, 0008001, 0008002, 0008003, 0008004, 0008005, 0008006, 0008007, 0008008, 0008011, 0008012, 0008013, 0008014, 0008015, 0008016, 0008019, 0008020, 0008026, 0008027, 0008028, 0008031, 0008032, 0008034, 0008036, 0008040, 0008041, 0008197, 0008198, 0008199, 0008225, 0008226 Operating / Parts Information You must be familiar with the operation of this machine before you attempt to troubleshoot or make any repairs to it.
- Page 4 FOREWORD TROWEL REPAIR Nameplate A nameplate listing the Model Number and Serial Number OR the Model Number, Item Number, Revision, and Serial Number is attached to each unit. Please record the information found on this plate so it will be available should the nameplate become lost or damaged.
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Page 5: Table Of Contents
Trowel Repair Manual Table of Contents Introduction Safety Notes ....................1-2 Laws Pertaining to Spark Arresters .............. 1-2 Operating Safety ..................1-3 Engine Safety ....................1-3 Service Safety ..................... 1-4 Technical Data ..................... 1-5 Application ....................1-6 General Description ..................1-6 Periodic Maintenance Schedule .............. -
Page 6: Introduction
INTRODUCTION TROWEL REPAIR Safety Notes This manual contains NOTES, CAUTIONS, and WARNINGS which must be followed to reduce the possibility of improper service, damage to the equipment, or personal injury. Read and follow all NOTES, CAUTIONS and WARNINGS included in instructions. Note: Contains additional information important to a procedure. -
Page 7: Operating Safety
TROWEL REPAIR INTRODUCTION Operating Safety Familiarity and proper training are required for the safe operation of this equipment! Equipment operated improperly or by untrained personnel can be dangerous! Read the operating instructions contained in both the operator's manual and the engine manual and familiarize yourself with the location and proper use of all controls. WARNING ALWAYS be sure operator is familiar with proper NEVER allow anyone to operate this equipment... -
Page 8: Service Safety
INTRODUCTION TROWEL REPAIR Service Safety Poorly maintained equipment can become a safety hazard! In order for the equipment to operate safely and properly over a long period of time, periodic maintenance and occasional repairs are necessary. WARNING DO NOT attempt to clean or service machine ALWAYS keep area around muffler free of debris while it is running. -
Page 9: Technical Data
TROWEL REPAIR INTRODUCTION Technical Data CT 36ADT/ CT 48ADT/ Trowel CT 30ADT CT 30AGT CT36ADP CT 36AGT CT 48ADP CT 48AGT 30 (762) 30 (762) 36 (914) 36 (914) 48 (1220) 48 (1220) Trowel Diameter in. (mm) Number of Blades Gearbox Lubrication type Mobil SHC634... -
Page 10: Application
INTRODUCTION TROWEL REPAIR Application General Description The CT series of trowels are modern, high production For the CT product line of trowels, engine power is machines intended for floating and finishing freshly poured transferred through a centrifugal clutch and V-belt to the concrete slabs. -
Page 11: Guide Handle
TROWEL REPAIR GUIDE HANDLE Throttle Control Lever Adjustment The throttle control is used to vary the speed of the engine and to control the rpm of the trowel blades to meet specific applications and job conditions. The throttle control uses ratchet action to select and hold the desired throttle position. -
Page 12: Upper Handle - Twist Pitch Control - Exploded View
GUIDE HANDLE TROWEL REPAIR Upper Handle - Twist Pitch Control - Exploded View 1013SD79... - Page 13 TROWEL REPAIR GUIDE HANDLE Ref. Description Qty. Ref. Description Qty. Handle-grip Screw 3/8-16x1-3/8 Handle-bicycle Casing-cable Pin-roll style (incl. 1) Cable-throttle Knob-pitch control Wiring harness Bearing-ball Cable-control, blade Holder-handle bearing Rod-handle adjustment Retaining ring-ext. Cap-screw head Screw M6x16 Nut-lock M5 Shaft-pitch control Grommet Nut 3/4-6 Washer B5.3...
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Page 14: Twist Pitch Control Cable Replacement
GUIDE HANDLE TROWEL REPAIR Twist Pitch Control Cable Replacement Disassembly: 1. Remove two retaining nuts from the pitch control cable 2. Disengage cable from fork and slide through pulley 3. Remove two M8 screws holding handle to handle base . Carefully pull handle and control cable away from handle base. - Page 15 TROWEL REPAIR GUIDE HANDLE Assembly: 1. Place control cable terminal into Twist Control assembly . Drive roll pin into assembly. 2. Lubricate threads on Twist Control assembly. Slide cable down into handle. Turn twist control assembly fully counterclockwise. 3. Place Twist Control assembly into handle, lining up holes in handle.
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Page 16: Upper Handle- Pro-Shift - Exploded View
GUIDE HANDLE TROWEL REPAIR ® Upper Handle- Pro-Shift - Exploded View 1023SD74... - Page 17 TROWEL REPAIR GUIDE HANDLE Ref. Description Qty. Ref. Description Qty. Handle-grip Knob Handle-bicycle style (incl. 1) Screw 3/8-16x1-3/8 Handle- Pro-Shift® Casing-cable Washer-retaining Cable-throttle Pin-dowel Wiring harness w/lever Screw Cable-pitch, control Cover- Pro-Shift® Screw #8-32x1/4 Washer Rod-handle adjustment Spring-wave stack Knob-pitch control Plate-serrated Pin-roll Screw M6x12...
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Page 18: Pro-Shift Pitch Control Cable Replacement
GUIDE HANDLE TROWEL REPAIR ® Pro-Shift Pitch Control Cable Replacement Disassembly: ® 1. Push Pro-Shift handle all the way forward. Re- move two M6 screws and cover from Pro- Shift ® assembly. 2. Remove two retaining nuts from the pitch control cable 3. - Page 19 TROWEL REPAIR GUIDE HANDLE Assembly: 1. Place Pro-Shift ® housing in a vise. Make sure that the two washers , wave spring , and serrated plate are positioned properly over each pivot tube. 2. Slide control cable over dowel pin. Slide dowel pin back into position through handle legs .
- Page 20 GUIDE HANDLE TROWEL REPAIR 7. Check movement of handle. Handle should be able to move with some resistance. Adjust nut as necessary. 8. Reinstall cover over assembly using M6 screws . Torque to 7 ft.lbs. (10 Nm). 9. Slide pitch control cable through handle and insert Pro-Shift ®...
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Page 21: Clutch
TROWEL REPAIR CLUTCH Belt Replacement The trowel is equipped with a self-adjusting clutch. This clutch automatically tightens the belt and compensates for belt wear. Replace the belt if the clutch can no longer tighten belt enough to engage gearbox without slipping. To replace belt: 1. -
Page 22: Belt Drive - Exploded View
CLUTCH TROWEL REPAIR Belt Drive - Exploded View 1001RM05 Ref. Description Qty. Mount-beltguard Clutch-centrifugal Washer 5/16x1-1/8x11 Ga. Screw 5/16x18x1-1/4 Beltguard Washer B8.4 Screw M8x20 Pulley-single groove V-belt Screw M8x30 Washer 5/16 Plate-belt guard Screw M8x25... -
Page 23: Clutch Replacement
TROWEL REPAIR CLUTCH Clutch Replacement Removal: 1. Remove drive belt as described in Section 3.1 Belt Replacement. 2. Remove 5/16x18 screw and 5/16 washer which secures clutch assembly to crankshaft. 3. Loosen setscrew on clutch assembly. Pull clutch assembly from crankshaft. If a 3-jaw puller is used, thread in screw 4-6 turns to protect threads in crankshaft. -
Page 24: Clutch - Exploded View
CLUTCH TROWEL REPAIR Clutch - Exploded View 1017SD07 Ref. Description Qty. Clutch-centrifugal (incl. 2–8) Setscrew M8x12 Plate-clutch Spring-clutch Shoe-clutch Bearing-ball Clutch drum Pulley-clutch... -
Page 25: Clutch Overhaul
TROWEL REPAIR CLUTCH Clutch Overhaul Disassembly: 1. Remove M8x12 setscrew . Slide clutch plate off of clutch pulley shaft 2. Remove and inspect clutch shoe , clutch spring and clutch drum . Replace if necessary. 3. Inspect bearing for free motion on shaft. Replace if necessary. - Page 26 CLUTCH TROWEL REPAIR Notes:...
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Page 27: Spider
TROWEL REPAIR SPIDER Trowel Assembly - Exploded View 1013SD92 Ref. Description Qty. Ref. Description Qty. Cable-control, blade Screw M8x20 Yoke-trowel blade lift Cap-plug Nut 5/16-18 Set-combo blades Bearing-cam follower Set-finish blades Shaft Set-float blades Retaining ring-ext. Cap-plug Ring-blade lift (incl. 8) Shaft-trowel arm Bearing-sleeve Screw 5/16-18x1-1/2... - Page 28 SPIDER TROWEL REPAIR Spider Disassembly: WARNING Disconnect or remove spark plug to avoid acci- dentally starting engine when turning trowel blades. 1. Remove retaining ring from fork ring shaft Slide shaft out from lifting fork and gearcase. 2. Slide fork free of lifting ring. If necessary, disconnect pitch control cable 1001RM07 3.
- Page 29 TROWEL REPAIR SPIDER Assembly: 1. Inspect bearing sleeve inside blade lift ring. If excessively worn or damaged, replace. Lubricate with anti-seize compound. Slide over spider. (p, r) 2. If trowel blade pivots were disassembled, apply Loctite 243 or equivalent and reinstall. 3.
- Page 30 SPIDER TROWEL REPAIR Notes:...
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Page 31: Drivetrain
TROWEL REPAIR DRIVETRAIN Engine Removal - Exploded View 13, 14, 15 1001RM10 Ref. Description Qty. Ref. Description Qty. Engine Ring-trowel guard Baffle-exhaust Nut-wing Screw M4x6 Cover-filter Connector-wire Nut-wing Screw #8-32x1/4 Filter-air 5/16x18x1-1/4 Key 3/16x1-13/16 Screw M8x30 Screw M8x25 Plate-belt guard Wire-assembly Screw M8x45 Washer B8.4... -
Page 32: Engine
DRIVETRAIN TROWEL REPAIR Engine Removal: 1. Remove M6 wing nut , filter cover, second M6 wing nut, and filter. 2. Disconnect throttle cable from throttle lever 3. Disconnect electric control cable from front of engine. Cut tie-wraps holding cable to engine. 4. -
Page 33: Gearcase Removal - Exploded View
TROWEL REPAIR DRIVETRAIN Gearcase Removal - Exploded View 13, 14, 15 1001RM10 Ref. Description Qty. Ref. Description Qty. Engine Ring-trowel guard Baffle-exhaust Nut-wing Screw M4x6 Cover-filter Connector-wire Nut-wing Screw #8-32x1/4 Filter-air 5/16x18x1-1/4 Key 3/16x1-13/16 Screw M8x30 Screw M8x25 Plate-belt guard Wire-assembly Screw M8x45 Washer B8.4... -
Page 34: Gearcase
DRIVETRAIN TROWEL REPAIR Gearcase Removal: 1. Remove engine as described in Section 5.2 Engine - Removal. 2. Remove pulley from gearcase input shaft with three jaw puller. 3. Remove key . Inspect key and keyways for signs of shearing. Replace key if deformed or edges are rounded. - Page 35 TROWEL REPAIR DRIVETRAIN Installation: 1. Lower trowel guard ring over gearcase. 2. Replace two M8 screws , two B8 washers wire assembly Note: One washer goes on each side of wire assembly prior to placing screw in place. 3. Apply Loctite 243 or equivalent to screw threads. Replace two M8 screws in front part of gearcase.
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Page 36: Gearbox - Exploded View
DRIVETRAIN TROWEL REPAIR Gearbox - Exploded View 1013SD90 Ref. Description Qty. Ref. Description Qty. Bearing-tapered Sightglass Retaining ring-ext. Plug O-ring Ring-sealing Cover-gear Screw Shaft-gear drive Screw M8x20 Seal-shaft Washer B8.4 Spacer-handle Screw M8x25 Gearbox Spacer-worm Retaining ring-int. Kit-worm/gear set Cover-gearbox side O-ring Bearing Key 3/16x1... -
Page 37: Gearcase Overhaul
TROWEL REPAIR DRIVETRAIN Gearcase Overhaul Assembly: 1. Grease O-rings (11, 21) and shaft seals (17, 24) Disassembly: with anti-seize compound. Install in gearbox side 1. Remove gearcase as described in Section 5.4 covers. Secure shaft seals with retaining rings. Gearcase - Removal. 2. - Page 38 DRIVETRAIN TROWEL REPAIR Notes:...
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Page 39: Troubleshooting
TROUBLESHOOTING TROWEL REPAIR Machine Troubleshooting Machines are available with different engine options. Troubleshooting procedures will differ slightly between engine models. Refer to the engine manufacturer's Repair Manuals for specific troubleshooting and repair procedures. These manuals are available from WACKER Corporation. Problem / Symptom Reason / Remedy Engine does not start. - Page 40 TROWEL REPAIR TROUBLESHOOTING Notes:...
- Page 41 SEALANTS Use Of Threadlockers and Sealants Threadlocking adhesives and sealants are specified throughout this manual and should be used where indicated. Threadlocking compounds normally break down at temperatures above 350° F (175° C). If a screw or bolt is hard to remove, heat it using a small propane torch to break down sealant.
- Page 42 TORQUE VALUES Metric Fasteners (DIN) WRENCH SIZE TORQUE VALUES (Based on Bolt Size and Hardness) 12.9 10.9 10.9 12.9 Size Ft.Lb. Ft.Lb. Ft.Lbs. Inch Metric Inch Metric 7/32 9/32 5/16 11/16 15/16 1-1/16 1-1/4 Inch Fasteners (SAE) SAE 5 SAE 8 Size Ft.Lb.
- Page 44 Wacker Construction Equipment AG · Preußenstraße 41 · D-80809 München · Tel.: +49-(0)89-354 02 - 0 · Fax: +49 - (0)89-354 02-390 Wacker Corporation · P.O. Box 9007 · Menomonee Falls, WI 53052-9007 · Tel. : +1-(1)(262) 255-0500 · Fax: +1-(1)(262) 255-0550 · Tel. : (800) 770-0957 Wacker Asia Pacific Operations ·...
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