Instruction/ maintenance manual of the product 77A Series Ingersoll-Rand
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16574071 Edition 2 December 2009 Sav e These Instruc tions Air Grinder , Sander and P olisher 77A Series P ar ts Informa tion .
2 16574071_ed2 77A Angle Grinder , S ander and Polisher Exploded Diagr am 65 61 54 53 59 30 29 26 45 44 43 46 70 43A 43B 40 39 38 31 37 42 41 36 34 32 31 40 39 38 37 36 35 34 33 77A60W107 77A45W109 77A25F107 77A60P107 77A60P107M 77A60P109 77A60P109M 77A75P107M 77A60W107 77A45W109 77A60P107 77A60P107M 77A60P109 77A60P109M 77A75P107M 47 48 49 40 50 51 55 57 56 58 57 60 52 53 54 28 27 25 23 24 22 15 14 8 12 1 1 10 9 13 1 7 19 20 17 16 18 21 2 3 6 5 4 67 Type 27 or 28 Mounted or Plain Hole Wheel 68 For interna tional Plain Hole Wheels onl y 66 For domestic Plain Hole Wheels onl y 63 For Type 27 Wheels only For Plain Hole Wheels onl y 77A25F107 (Dwg.
16574071_ed2 3 77A Angle Grinder , S ander and Polisher P arts List Item Part Description Part Number Item Part Description Part Number 1 Throttle Handle Assembly 77H-A160 43B Nameplate Screw (4) BN403-302 2 Throttle Valv e Assembly 88V60-A302 * Warning Label † • 3 Seal (2) C321-606 for Grinders ending in -EU EU-99 4 Inlet Bushing 77H-38 for all other Grinders W ARNING-4-99 † • 5 Inlet Bushing Screen 834-61 for Sanders and Polishers ending in -EU EU-99 † 6 Throttle Valv e Spring 77H-262 for all other Sanders and Grinders W ARNING-5-99 7 Oil Chamber Plug R2-227 44 Grease Fitting (2) 130SR-188 8 Throttle Valv e Seat Support Assembly 77H-A303 45 Mounting Plate Pin 77A-31 9 Valv e Seat Screw PS3-83 • 46 Upper Bearing Spring Washer 4U-278 10 Valv e Seat Lock Washer H54U-352 • 47 Upper Arbor Bearing WWA100-97 11 Valv e Seat W asher 99V-155 48 Bev el Gear Nut 77A-578 † • 12 Valv e Seat R4-159A 49 Bevel Gear Spacer 77A-25 † 13 Valv e Support Seal (2) SPP101-743 50 Arbor Low er Bearing Assembly 77A-A593 14 Oiler Feeder Plug 77H-75 51 Low er Arbor Spring W asher 77A-307 15 Throttle V alve Seat Support Retainer 77H-518 52 Sander Arbor Retaining Plate 77A-55 16 Throttle L ever Pin MR-100 53 Screw Lock W asher (6) 88H60-67 17 Throttle L ever Assembly 77H-A400 54 Guard Screw or Retaining Plate Scr ew (6) 77H-638 18 Lever Lock P in R100B-120 55 Sander Arbor 77A-204-P10 19 Lever Lock Spring DG120-405 56 Sanding Pad A ssembly 20 Lever Lock DG120-402 with 5” Sanding Pad 77A-AM825-5 21 Coupling Nut 77H-282 with 7” Sanding Pad (medium) 77A-AM825-7 ‡ 22 Controller A ssembly (Consists of Contr oller with 7” Sanding Pad (rm) 77A-BM825-7 and Rear End Plate Assembly) with 9” Sanding Pad 77A-AM825-9 for 77A45W109 77H90-A524RH 57 Pad Mounting Kit 77A-826 for 77A60W107, 77A60P107, 77H120-A524RH 58 W ool Bonnet (for 77A25F107) P500-850 77A60P107M, 77A60P109 and 59 Depressed Cent er Wheel Guar d 77A60P109M for 7” diameter wheels 77A-106-7 23 Rear End Plate Assembly (consists 77H-A12 for 9” diameter wheels 77A-106-9 of rear end plate, r otor bearing and 60 Depressed Center Wheel Arbor 77A-4-B10 required spacers) 61 Autobalancer Assembly 99V60-A713 † • 24 Rear End Plate Gasket 77H-739 * Autobalancer Wrench (7/8” single end; 88V60-169 25 Cylinder 77H-3 open-end wrench) 26 Rotor 77H-53RH 63 Depressed Center Wheel Spacer (2 for all 99V-286 † • 27 Vane Packet (set of 4 V anes) 77H-42-4 Type 27 Mount ed Wheels) • 28 Front End Plate 77H-11 65 Wheel Retaining Screw (for all T ype 27 and 99V60-219 29 Front Rotor Bearing 77H-24 28 Wheels) 30 Cylinder Dowel 77H-98 66 Depressed Cent er Wheel F lange (for T ype 27 & 99V60-386 31 Bevel Pinion Driver 28 Plain Hole W heels) for 77A25F107 77A-8 67 Depressed Center Wheel Nut 99V85-186 for all others 77A-7 (for T ype 27 and 28 Plain Hole Wheels) 32 I nternal Gear 77H-406 * Depressed Center Wheel Nut Spanner Wrench D32-26 33 Bevel Pinion Driver Bearing WFS182-97 * Wheel Flange Wrench (f or all Grinders) 7R AQ T4-254 34 Planet Gear Shaf t (2) G700-191 68 Depressed Center Wheel Flange (f or 99V60-386-M 35 Rotor Pinion 77H-17 77A60P107M, 77A60P109M and 77A75P107M 36 Planet Gear Assembly (2) 77H-A10 with T ype 27 and T ype 28 Plain Hole 37 Planet Gear Bearing (one for each gear) G700-654 Depressed Center Wheels) 38 Thrust Spacer 77A-104 70 Dead Handle 88V60-48 39 Bevel Pinion Bearing Assembly 77A-A510 72 Nameplate 66H-301 40 Matched Gear Set (Bevel Gear and Pinion not 77A-A552 73 Nameplate Screw (4) BN403-302 sold separately) * Bear ing Clamp Assembly 77H-A952 41 Motor Spacer 77E-208-H8 * Controller W rench 77H-950 42 Arbor Coupling 66H-304 * Throttle V alve Seat Support Retainer Pliers 77H-154 ‡ 43 Angle Arbor Housing * Coupling Nut Wrench 77H-281 for models ending in -EU 77A-EU-A40-P10 * 1/2” Pipe T ap I nlet Bushing 88V60-38 for all other models 77A-A40-P10 * Vibra- Tite®** 0.
4 16574071_ed2 Parts and Maintenance When the life of the tool has expired , it is recommended that the tool be disassembled, deg reased and parts be separated by material so that they can be recycled. T ool repair and maint enance should only be carried out by an authorized Service Center .
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An important point after buying a device Ingersoll-Rand 77A Series (or even before the purchase) is to read its user manual. We should do this for several simple reasons:
If you have not bought Ingersoll-Rand 77A Series yet, this is a good time to familiarize yourself with the basic data on the product. First of all view first pages of the manual, you can find above. You should find there the most important technical data Ingersoll-Rand 77A Series - thus you can check whether the hardware meets your expectations. When delving into next pages of the user manual, Ingersoll-Rand 77A Series you will learn all the available features of the product, as well as information on its operation. The information that you get Ingersoll-Rand 77A Series will certainly help you make a decision on the purchase.
If you already are a holder of Ingersoll-Rand 77A Series, 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 Ingersoll-Rand 77A Series.
However, one of the most important roles played by the user manual is to help in solving problems with Ingersoll-Rand 77A Series. Almost always you will find there Troubleshooting, which are the most frequently occurring failures and malfunctions of the device Ingersoll-Rand 77A Series along with tips on how to solve them. Even if you fail to solve the problem, the manual will show you a further procedure – contact to the customer service center or the nearest service center