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Page 1

OPERATORS MANUAL

BRAKE ACTUATOR

DA66B

DOING OUR BEST TO PROVIDE YOU THE BEST

ASSEMBLY
CALIBRATION
OPERATION
REPLACEMENT PARTS

READ complete manual CAREFULLY

BEFORE attempting operation.

11-05

BH20030, Rev 0

DEMCO

 

•

 Dethmers Mfg. Co. 

•

 4010 320th St. 

•

 P.O. Box 189 

•

 Boyden, IA 51234

PH: (712) 725-2311 

•

 Toll Free: 1-800-543-3626 

•

 FAX: 1-800-845-6420

www.demco-products.com

Summary of Contents for DA66B

Page 1: ...BEST ASSEMBLY CALIBRATION OPERATION REPLACEMENT PARTS READ complete manual CAREFULLY BEFORE attempting operation 11 05 BH20030 Rev 0 DEMCO Dethmers Mfg Co 4010 320th St P O Box 189 Boyden IA 51234 PH...

Page 2: ...or distributors must review these instructions with ultimate user Failure to follow these instructions or failure to properly maintain braking system after installation can result in loss of braking...

Page 3: ...u satisfied with the company s resolution of your problem Why did you purchase this product Please list the specific source of information prompting this purchase After purchasing this product do you...

Page 4: ...Page 4 Postage Dethmers Manufacturing Company 4010 320th Street Box 189 Boyden Iowa 51234...

Page 5: ...be limited to most extreme situations typically for machine components which for functional purposes cannot be guarded WARNING Indicates a potentially hazardous situation that if not avoided could re...

Page 6: ...shields in place If shield removal becomes necessary for repairs replace shield prior to use Replace any caution warning danger or instruction safety decal that is not readable or is missing Location...

Page 7: ...This decal is located in the position shown on both sides of the actuator The replacement part number for two decals is BH21004 Preset Fasteners DO NOT adjust without factory specifications DRUM BRAKE...

Page 8: ...position before you remove backing paper Remove smallest portion of split backing paper Align decal over specified area and carefully press small portion with exposed sticky backing in place Slowly p...

Page 9: ...h enough for what it is towing Refer to your towing vehicle Owners Manual Do not allow anyone to stand between tongue or hitch and towing vehicle when backing up to equipment Securely attach to towing...

Page 10: ...vehicles parking brake shut off engine and remove the ignition key Be extra careful when using on inclines OPERATE TOWING UNIT CAUTIOUSLY REDUCE SPEED TO ALLOW FOR ADDITIONAL WEIGHT OF TOWED UNIT Avo...

Page 11: ...turns to avoid risk of overturning Always keep towing vehicle in gear to provide engine braking when going downhill Do not coast Do not drink and drive Comply with state and local laws governing high...

Page 12: ...Use extreme caution when making adjustments Follow torque chart in this manual when tightening bolts and nuts Openings in skin and minor cuts are susceptible to infection from brake fluid Without imm...

Page 13: ...400 540 7 8 170 230 420 570 650 880 1 225 300 630 850 970 1310 Torque figures indicated are valid for non greased or non oiled threads and heads unless otherwise specified Therefore do not grease or...

Page 14: ...lacement S Hook ONLY 15 05960 2 5 16 18UNC x 1 2 Self Tapping Screw 16 05424 2 5 16 External Tooth Lock Washer 17 05693 95 1 Emergency Lever Spring 18 03876 1 Master Cylinder Cap w Diaphragm O ring 19...

Page 15: ...4 20UNC x 2 00 Hex Head Bolt 20 00057 4 1 4 Spring Lock Washer 21 12191 95 1 Outer Case 22 09153 1 Replacement Master Cyl Gasket ONLY 23 11190 1 Master Cylinder Not sold separately 5672 Master Cylind...

Page 16: ...the transparent container use the Emergency Lever to pump the Master Cylinder as long as air bubbles continue to leave the hose When the bubbles stop close the bleeder valve move to the next wheel and...

Page 17: ...gh cross slot in top of outer case 21 e To install new emergency lever press pushrod assembly rearward and hold it there while putting emergency lever through cross slot in top of outer case Emergency...

Page 18: ...liver or ship part to its factory or authorized dealer Any defective part will be repaired or replaced and returned to you or your authorized dealer free of charge Any part returned to warrantor and f...

Page 19: ...on on how long an implied warranty lasts so this limitation may not apply to you 6 Limitation of Consequential Damages Warrantor s responsibility under this warranty extends solely to repair or replac...

Page 20: ...Page 20 DETHMERS MFG COMPANY P O BOX 189 4010 320th St BOYDEN IA 51234 PH 712 725 2311 FAX 712 725 2380 TOLL FREE 1 800 54DEMCO 1 800 543 3626 www demco products com...

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