INSTRUCTION MANUAL AIR BELT SANDER H8253

ManualsBrandsGrizzly ManualsSanderH8253

WARNING: NO PORTION OF THIS MANUAL MAY BE REPRODUCED IN ANY SHAPE

OR FORM WITHOUT THE WRITTEN APPROVAL OF GRIZZLY INDUSTRIAL, INC.

#JB10165 PRINTED IN CHINA

MODEL H8253

AIR BELT SANDER

INSTRUCTION MANUAL

Summary of content (16 pages)

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MODEL H8253 AIR BELT SANDER INSTRUCTION MANUAL COPYRIGHT © DECEMBER, 2007 BY GRIZZLY INDUSTRIAL, INC. WARNING: NO PORTION OF THIS MANUAL MAY BE REPRODUCED IN ANY SHAPE OR FORM WITHOUT THE WRITTEN APPROVAL OF GRIZZLY INDUSTRIAL, INC.
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SAFETY For Your Own Safety Read Instruction Manual Before Operating This Equipment The purpose of safety symbols is to attract your attention to possible hazardous conditions. This manual uses a series of symbols and signal words which are intended to convey the level of importance of the safety messages. The progression of symbols is described below. Remember that safety messages by themselves do not eliminate danger and are not a substitute for proper accident prevention measures.
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7. AVOID ENTANGLEMENTS. Do not wear loose clothing, gloves, neckties, rings, bracelets, or other jewelry, which may get caught in moving parts, when operating this tool. Wear a protective hair covering to contain long hair. 8. USE CORRECT AIR PRESSURE. Exceeding the maximum PSI rating of this tool may cause unpredictable operation or bursting. 9. DISCONNECT AIR PRESSURE before servicing, changing accessories, or moving to another location. Never leave this tool unattended when connected to air. 10.
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INTRODUCTION Foreword Specifications The specifications, details, and photographs in this manual represent the Model H8253 as supplied when the manual was prepared. However, owing to Grizzly’s policy of continuous improvement, changes may be made at any time with no obligation on the part of Grizzly. Motor Speed ........................... 18,000 RPM Air Consumption ............................ 28 CFM Air Inlet ......................................1⁄4"-18 NPT Required PSI ..............................
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Compressed Air System The Model H8253 is designed to be operated between 70-90 PSI using clean, dry, regulated, compressed air. DO NOT exceed the 90 PSI maximum operating pressure for your sander. Before using your new sander, regulate the air pressure to find the optimum setting within the specified operating range. Start by testing the sander at a low setting, then increase the air pressure as needed for satisfactory results.
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ASSEMBLY The Model H8253 must be assembled before use. Assembly consists of connecting the contact arm assembly to the air motor and attaching the handle. Connecting the Contact Arm Attaching the Handle 1. DO NOT YET CONNECT THE SANDER TO THE AIR SUPPLY! 2. Thread the handle into the handle arm, as shown in Figure 4. 1. DO NOT YET CONNECT THE SANDER TO THE AIR SUPPLY! 2. Slide the contact arm assembly onto the air motor, making sure it is snug against the shoulder, as shown in Figure 3.
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OPERATIONS Sanding Belt Installing the Sanding Belt 1. DISCONNECT THE SANDER FROM THE AIR SUPPLY! 2. Place the sanding belt over the contact wheel, as shown in Figure 5. Read the manual before operation. Become familiar with this tool, its safety instructions, and its operation before beginning any work. Serious personal injury may result if safety or operational information is not understood or followed. Belt Contact Wheel Like all tools there is potential danger when operating this tool.
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4. Attach the belt guard with the M4-.7 x 6 cap screw, as shown in Figure 7. EYE/LUNG/EAR INJURY HAZARD! Wear protective equipment when using this tool. Belt Guard ACCIDENTAL START HAZARD! Disconnect before service or tool changes. Cap Screw Valve Screw AIR PRESSURE HAZARD! Never exceed the maximum PSI rating for tool. Figure 7. Installing guard. Replacing the Sanding Belt When the sanding belt loses its effectiveness, is damaged, or shows signs of excessive wear, it must be replaced.
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Adjustments Adjusting the Contact Arm and Handle 1. Loosen the cap screws shown in Figure 10. Cap Screws Adjusting the Belt Tracking The sanding belt must be centered on the contact wheel to avoid damaging the sander and to allow for optimal sanding. To adjust the belt tracking: 1. Connect the sander to compressed air regulated at 70-90 PSI. 2. Hold the sander firmly and press the throttle lever to turn it ON. Once the belt has reached full speed, turn the adjustment knob to adjust the belt tracking.
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MAINTENANCE Cleaning Lubrication Keeping the sander clean is vital to its operation and leads to longer tool life. After every use, clean and inspect the sander. The air sander MUST have 2-6 drops of oil dropped directly into the air inlet before and after each use and before storage. • Wipe the housing with a dry cloth, or blow off the dust and debris with compressed air. • Check for damage to tooling, hoses, housing or other accessories. Do not allow dust, chips, sand, etc.
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�� H8253 MAIN BREAKDOWN -10- Model H8253 Air Belt Sander
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H8253 MAIN PARTS LIST REF PART # DESCRIPTION 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 CONTACT ARM ASSEMBLY PLUG GUIDE POST COMPRESSION SPRING TENSION ARM KNOB M4-.7 X 22 COMPRESSION SPRING TENSION SHAFT DUST COVER FLAT HD SCR M4-.7 X 16 MAIN HOUSING HEX NUT M5-.8 BELT GUARD CAP SCREW M4-.7 X 6 BALL BEARING R4RS HANDLE ASSEMBLY CAP SCREW M4-.
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-12- �� H8253 MOTOR BREAKDOWN Model H8253 Air Belt Sander
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H8253 MOTOR PARTS LIST REF PART # DESCRIPTION 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 DRIVE WHEEL EXHAUST COVER FELT SILENCER AIR CONTROL RING ROTOR NUT BALL BEARING 6000ZZ SHIM SPACER FRONT BEARING CUP PIN CYLINDER ROTOR BLADE REAR BEARING CUP BALL BEARING 608ZZ MOTOR HOUSING SPECIAL SCREW GASKET LOCK RING COLLAR INTERNAL GASKET INSERT HANDLE HOUSING VALVE STEM ROLL PIN 1/8 X 3/4 THROTTLE LEVER SPEED
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