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Service Manual
SELF PROPELLED CHIPPER VAC - CSV 070
NOTE: These materials are for use by trained technicians experienced in the service and repair of outdoor power equipment of
the kind described in this publication, and are not intended for use by untrained or inexperienced individuals. These materials
are intended to provide supplemental information to assist the trained technician. Untrained or inexperienced individuals should
seek the assistance of an experienced and trained professional. Read, understand, and follow all instructions and use common
sense when working on power equipment. This includes the contents of the product's Operators Manual, supplied with the
equipment. No liability can be accepted for any inaccuracies or omission in this publication, although care has been taken to
make it as complete and accurate as possible at the time of publication. However, due to the variety of outdoor power
equipment and continuing product changes that occur over time, updates will be made to these instructions from time to time.
Therefore, it may be necessary to obtain the latest materials before servicing or repairing a product. The company reserves the
right to make changes at any time to this publication without prior notice and without incurring an obligation to make such
changes to previously published versions. Instructions, photographs and illustrations used in this publication are for reference
use only and may not depict actual model and component parts. © Copyright 2005 MTD Products Inc. All Rights Reserved.
MTD Products LLC - Product Training and Education Department
FORM NUMBER 769-01422
5/2004
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Summary of Contents for MTD CSV 070
- Page 1 Instructions, photographs and illustrations used in this publication are for reference use only and may not depict actual model and component parts. © Copyright 2005 MTD Products Inc. All Rights Reserved. MTD Products LLC - Product Training and Education Department...
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Page 3: Table Of Contents
TABLE OF CONTENTS Safety Switch ...1 Inspection of the Drive System ...3 Transmission Removal ...5 Impeller and Belt Removal ...8 Chipper Blade Removal ... 11... -
Page 5: About This Section
Self-propelled Chipper Shredder Vacuum ABOUT THIS SECTION: In model year 2000, MTD introduced a vertical crank- shaft lawn vacuum with a 22” clearing width and the capacity to shred small yard debris. Since it’s introduc- tion, the product has been enhanced with a removable vacuum hose. - Page 6 Self-propelled Chipper Shredder Vacuum 1.4. If slight pressure on the tab breaks continuity, adjusting the tab by bending it downward will enable the switch to work correctly. See Figure 1.4. Figure 1.4 1.5. If the switch does not break the ground path (meter reading: near 1.0 ohms, or “OL”...
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Page 7: Inspection Of The Drive System
1.13. Do not return a machine to service unless this safety feature works correctly. Self-propelled Chipper Shredder Vacuum INSPECTION OF THE DRIVE SYSTEM 2.1. Begin with an operational test. Does the drive system operate over the full range of speeds? 2.2. - Page 8 Self-propelled Chipper Shredder Vacuum 2.4. Watch the travel of the variable speed sheave (pulley) on the input shaft. It may be necessary to remove the belt to confirm that the variable speed sheave has full travel. Low speed position: High speed position:...
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Page 9: Transmission Removal
NOTE: The pin must be free to slide back and forth. This provides a ratcheting action. NOTE: Apply anti-sieze to pin to ensure proper ratcheting action. Self-propelled Chipper Shredder Vacuum TRANSMISSION REMOVAL 3.1. Disconnect the H.T. lead from the spark plug. - Page 10 Self-propelled Chipper Shredder Vacuum 3.7. Safely support rear of the unit so that the rear wheels are off the ground, and remove rear hub caps. See Figure 3.7. 4X4 supports Figure 3.7 3.8. Using a 1/2” wrench and a 9/16” wrench remove the shoulder bolts, washers, and rear wheels.
- Page 11 NOTE: Rotating the collar counter-clockwise will aid in removal. NOTE: Z-fitting must be installed from the bot- tom of the speed control collar. Self-propelled Chipper Shredder Vacuum 3.17. Remove spring from transmission actuating arm. Phillips screw 3.18. Push the hexagonal drive axle bushings out of...
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Page 12: Impeller And Belt Removal
Self-propelled Chipper Shredder Vacuum 3.19. Pivot transmission rearward while sliding it to the right. See Figure 3.19. Self propelled transmission Figure 3.19 3.20. Once the left side comes out, slide the transmis- sion to the left. At this point the transmission will be solely in your hands 3.21. - Page 13 See Figure 4.8. Nozzle Mounting Screws Figure 4.8 Self-propelled Chipper Shredder Vacuum 4.9. Tilt top of black plastic nozzle toward the engine to remove. This will allow the safety gate to pass by the hose opening freely. See Figure 4.9.
- Page 14 NOTE: Push the belt forward to create slack, releasing the belt from the groove in the pulley hub. 4.13. Inspect impeller, pulley hub, chipper blade, and flails for any damage, replace as needed. Chipper blade Figure 4.13 4.14. Do not use an impeller that shows any signs of damage.
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Page 15: Chipper Blade Removal
Figure 5.3 Self-propelled Chipper Shredder Vacuum 5.4. Using 3/16” allen wrench, remove the flat head cap screw that holds the chipper blade to the impeller. It is accessible through the opening created by removing the chipper chute. See Figure 5.4.
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