Instruction/ maintenance manual of the product 90178 Harbor Freight Tools
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CEMENT MIXER - 3.5 CUBIC FOOT WITH BRIGGS & STRA TT ON 3.5 HP ENGINE Model 90178 ASSEMBL Y AND OPERA TING INSTRUCTIONS 3491 Mission Oaks Blvd., Camarillo, CA 9301 1 Visit our W eb site at http://www .harborfreight.com Copyright 2003 by Harbor Freight T ools ® .
PRODUCT SPECIFICA TIONS SA VE THIS MANUAL Y ou will need this manual for the safety warnings and precautions, assembly , operating, inspection, maintenance and cleaning procedures, parts list and assembly diagram. Keep your invoice with this manual. Write the invoice number on the inside of the front cover .
6. Do not overreach. Keep proper footing and balance at all times to prevent tripping, falling, back injury , etcetera. 7. Industrial applications must follow OSHA requirements. 8. Stay alert. W atch what you are doing at all times. Use common sense. Do not use this product when you are tired or distracted from the job at hand.
3. Keep a safe clearance around the Cement Mixer . Keep all people (except the operator) a minimum of six feet from the Mixer during operation. 4. Keep all guards in place and in proper working condition. 5. Remove adjusting tools, shovels, hand trowels, etc.
Dispose of fluids and cleaning materials in accordance with all local, state, or federal codes and regulations. Store oil rags in a covered metal container .
SKU 90178 P AGE 6 UNP ACKING When unpacking, check to make sure all the parts shown on the Parts List on page 18 are included. If any parts are missing or broken, please call Harbor Freight T ools at the number shown on the cover of this manual as soon as possible.
SKU 90178 P AGE 7 WHEEL (#5) PIN (#4) FLA T W ASHER (#3) FIGURE B W ashers (part #10), two Spring Washers (part #9), and two Nuts (part #8). (See Figure C.) HEX BOL T (#7) FLA T W ASHER (#10) SPRING W ASHER (#9) NUT (#8) HEX BOL T (#7) FLA T W ASHER (#10) SPRING W ASHER (#9) NUT (#8) LOWER DRUM (#44) SUPPORT ARM (#31) FIGURE C 4.
HEX HEAD BOL T (#27) FLA T W ASHER (#10) NOT SHOWN SPRING W ASHER (#9) NOT SHOWN NUT (#8) NOT SHOWN DEGREE ADJUSTING PLA TE (#37) DEGREE ADJUSTING ARM (#38) SPRING (#39) BOL T (#40) NUT (#8) PIVOT ARM OF DEGREE ADJUSTING PLA TE (#37) FIGURE D 6.
7. Align the six mounting holes of the Connector Seal (part #45) with the six mount- ing holes in the Upper Drum (part #47). Then, glue (not included) the Connector Seal to the Upper Drum. NOTE: Make sure the Connector Seal lays flat on the Upper Drum to ensure a proper seal.
SKU 90178 P AGE 10 Flat W ashers (part #10), four Spring W ashers (part #9), and four Nuts (part #50) to secure the two Mixing Blades to the inside Drum assembly . (See Figure G.) MIXING BLADE (#46) MOUNT WITH V-SHAPED BENDS POINTING TO LEFT . DRUM ASSEMBL Y (#44, #47) FIGURE G 1 1.
FIGURE I SHAFT (#35) FIXING PLA TE (#18) FIGURE J INNER COVER (#23) SHAFT (#35) SKU 90178 P AGE 1 1 14. Align the four mounting holes in the Engine Mount Plate (part #12) with the two mounting slots located in the lower portion of the Inner Cover (part #23).
HEX HEAD BOL T (#27) FLA T W ASHER (#19) SPRING W ASHER (#20) NUT (#21) HEX HEAD BOL T (#27) FLA T WASHER (#19) SPRING W ASHER (#20) NUT (#21) BOL T (#48) FLA T W ASHER (#19) SPRING W ASHER (#20) NUT .
16. Unscrew the Thrust Screw (part #17) located in the Large Pulley (part #26). Align the Keyway Slot of the Large Pulley with the Key on the Shaft (part #35). Using a hammer , carefully tap the Large Pulley onto the Shaft. Retighten the Thrust Screw to secure the Large Pulley in place.
18. Align the four mounting holes in the base of the Engine (part #14) with the four mounting slots in the Engine Mount Plate (#12). Insert four Hex Bolts (part #7) downward through the mounting holes and mounting slots. Insert one Flat W asher (part #10) and one Spring W asher (part #9) on each of the four Bolts.
OPERA TING INSTRUCTIONS 1. IMPORT ANT : AL W A YS make sure the crankcase of the gasoline Engine (part #14) is filled to the proper level with a premium quality , 30-weight, non-detergent engine oil prior to starting the engine. Failure to do so will result in damage to the Engine and void its warranty .
SKU 90178 P AGE 16 .
1 1. After discharging the cement mix, raise the Degree Adjusting Arm (part #38) up to its original position. (See Figure Q.) 12. Repeat Steps #5 through #1 1 if more cement mix is required. 13. When finished, make sure to thoroughly clean the inside of the Drum (parts #44, #47).
NOTE: Some parts are listed and shown for illustration purposes only , and are not available individually as replacement parts. SKU 90178 P AGE 18 P ARTS LIST * See Briggs & Stratton Engine Parts List and Assembly Diagram for available replacement parts.
ASSEMBL Y DIAGRAM NOTE: Some parts are listed and shown for illustration purposes only , and are not available individually as replacement parts. SKU 90178 P AGE 19 51: SMALL FIXING PLA TE NOT SHOWN.
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If you already are a holder of Harbor Freight Tools 90178, but have not read the manual yet, you should do it for the reasons described above. You will learn then if you properly used the available features, and whether you have not made any mistakes, which can shorten the lifetime Harbor Freight Tools 90178.
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