Milwaukee 7145-21 User's Manual
Contents
1. PART NO 06 65 1465 06 65 1440 06 65 1480 31 92 0200 40 50 3160 44 10 0650 40 50 3095 44 86 0710 44 90 0825 28 50 0800 44 90 0785 43 31 0370 34 40 3250 42 92 1350 05 84 0950 40 50 3180 45 08 0460 42 70 0400 05 83 0525 43 56 0865 06 65 1405 40 50 3050 42 36 2050 43 98 0755 42 92 1495 44 94 0570 34 40 3310 42 36 1995 44 90 0770 42 38 0320 REVISED BULLETIN DATE i verms STRAIGHT FINISH NAILER aS INSTRUCTION A89A BEM FRE DESCRIPTION OF PART NO REQ Spring Pin Spring Pin Spring Pin Trigger Assembly Spring Selector Selector Spring Retainer Ring Tool Body Snap Ring Filter O Ring End Cap Socket Head Hex Screw Positioning Spring Positioning Shaft Spring Retainer Belt Clip Round Head Phillips Bolt Work Contact Element Guide Spring Pin Work Contact Spring Work Contact Assembly B Adjustment Knob Work Contact Element Cover Adjustment Rod O Ring Work Contact Element Bracket A E Ring No Mar Pad AA E io iti A Se RIN elt etn AI i ii S i SIN MILWAUKEE ELECTRIC TOOL CORPORATION 13135 W Lisbon Road Brookfield WI 53005 Drwg 2 FIG 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 PART NO 05 84 0995 42 92 1395 42 92 1380 06 65 1455 45 88 1705 44 20 0850 06 65 1450 44 60 1855 43 56 0855 44 90 0760 05 83 0515 44 86 0705 44 66 1305 40 50 3030 31 10 0520 40 50 3140 43 40 0455 44 90 0765 45 88 1740 05 84 0900 DESC2. x O 09 09 09 0 N NNNNNNNNNei dvi aa aaa AGNA O YNDOUAYGNTOO0NDISYNiL LIO NDISWNA PART NO 05 84 0845 05 84 0805 31 05 0400 43 31 0355 45 88 1720 42 92 1420 45 06 0925 45 06 0940 40 50 3110 44 62 0250 34 40 3240 34 40 3175 42 76 0800 45 06 0910 44 90 0700 44 90 0820 34 40 3220 43 12 0250 34 40 3270 42 98 0350 44 90 0800 42 38 0300 43 56 0895 42 38 0360 34 40 3295 34 40 3300 42 52 0410 44 70 0250 34 40 3285 34 40 3280 40 50 3195 44 70 0255 34 40 3290 43 64 0150 EXAMPLE SERVICE PARTS LIST PAGE 1 OF 2 BULLETIN NO 54 43 0050 SPECIFY CATALOG NO AND SERIAL NO WHEN ORDERING PARTS DESCRIPTION OF PART Bolt Assembly Deflector Bolt Deflector Muffler Deflector Pad Top Cap Seal Gasket Seal Upper Valve Spring Head Valve Piston O Ring O Ring Valve Collar Top Cap Seal Cylinder Press Ring Piston Ring O Ring Driver Assembly O Ring Cylinder Cylinder Spacer Bumper Driver Guide Bumper Band O Ring O Ring Plunger Cap Trigger Valve Plunger O Ring O Ring Spring Plunger O Ring Trigger Valve Head CATALOG NO 7145 21 005 Component Parts Small Are Included When Ordering The Assembly Large NO REQ SRO veh ey AURON E lk IE QI VON NES E kk a i Gift A EE AE a a STARTING SERIAL NUMBER FIG 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 85 86 87 88 89 90 91 92 93 94 95
3. 70 72 73 74 81 82 46 48 BULLETIN NO 54 43 0050 Mar 2006 PAGE 2 OF 2 Remove hex bolt 2 deflector 3 muffler 4 and deflector pad 5 from top cap 6 4 mm hex key required Remove hex bolts 1 to remove top cap 6 4 mm hex key required Remove valve assembly 7 8 9 10 11 12 and 13 out of the top cap using a 1 8 in 3 18 mm punch Gently push punch through several different holes in the top of the cap to remove assembly evenly Remove press ring 15 from the top of cylinder 20 before removing cylinder assembly from tool body 44 Remove cylinder assembly 20 using two pair of needle nose pliers Gently grasp the ribs of the cylinder on opposing sides to pull the cylinder from tool body 44 Remove magazine assembly 70 and 81 as an assembly by removing screw s 73 82 and 64 Note When removing magazine assembly 70 and 81 hold Pusher Assembly 98 stationary to restrict movement of spring 69 Remove trigger valve assembly 97 from tool body 44 by placing a 3 32 in 2 5mm punch inside half moon slot of retainer 42 and gently tapping shaft of selector 40 Remove spring 41 retainer 42 and ring 43 Remove spring 39 and trigger 38 from tool body and push pins 36 and 37 out of tool body 44 just far enough to remove valve assembly using service fixture 61 60 0005 Trigger valve assembly 97 can be gently pushed out of the tool body from the inside handle area of the tool body using
4. on top cap 6 Reinstall spring 9 into internal bore of top cap 6 and snap preassembled head valve assembly 7 13 into top cap Reinstall top cap assembly 6 onto tool body 44 using hex bolts 1 Note To properly seat top cap tighten the screws at alternating corners a few turns at a time until all screws are secure Reinstall magazine assembly 70 and 81 onto tool body 44 by securing screw washer 72 and 73 and two screws 64 and 82 Note Make sure magazine channel 74 is aligned properly at the front and rear of the magazine assembly Install smooth side of filter 46 toward end cap 48 Apply Blue Loctite 242 to fasteners 1 2 54 64 73 and 93 if removed during disassembly Lubrication Type Grease 49 08 7100 Clean all parts with a dry clean cloth 6 7 8 9 10 11 12 13 16 17 18 19 20 21 25 26 27 28 29 30 31 32 33 34 35 Place a thin coating of grease into internal bore of top cap 6 coat parts 7 13 and reassemble in order shown Coat o ring 17 and piston ring 16 prior to installing into groove of driver assembly 18 Coat cylinder o ring 19 and cylinder ring 21 prior to installing onto cylinder 20 Coat all parts of the trigger valve assembly 25 35 if being replaced individually Components cleaned in any type of solvent or water solution will require new lubrication Note A new trigger valve assembly will be pre lubricated and will not require any additio
5. RIPTION OF PART Bolt Assembly Driver Guide Cover B Driver Guide Cover A Spring Pin Pusher Cushion Lock Handle Assembly Spring Pin Fixed Pin Driver Guide E Ring Half Round Hex Bolt Retainer Ring Positional Plate Positioning Spring Bracket Spring Magazine A E Ring Flat Washer Socket Head Hex Screw NO REQ AA AdMAMAAMAAAAMAMAAdAde st FIG 74 75 76 TT 78 79 80 81 82 83 84 96 97 98 104 106 PART NO 44 81 0050 42 92 1475 05 84 0940 43 72 0350 42 28 0350 40 50 3150 42 42 0600 43 40 0485 05 84 0905 05 59 2025 42 92 1445 05 78 0810 31 94 0110 45 24 0030 12 98 0320 10 20 3310 14 70 0180 14 70 0185 Fe reloo DESCRIPTION OF PART Steel Channel Protecting Hood Cover Flat Head Hex Bolt Pusher Anchor Block Spring Pusher Button Magazine B Socket Head Hex Screw Lock Nut Magazine End Cover Tap Bolt M3 x5 Trigger Valve Assembly Magazine Pusher Assembly Service Nameplate Warning Label Overhaul Kit Not Shown Driver Maintenance Kit Not Shown NO REQ di rime a i Disassembly 2 3 4 5 6 1 6 7 8 9 10 11 12 13 15 20 44 20 44 64 69 70 73 81 82 94 37 38 39 40 41 42 43 44 97 Reassembly 36 37 44 97 38 39 40 41 42 43 44 97 18 23 44 20 21 16 17 18 19 20 21 22 23 44 6 15 20 6 24 6 7 8 9 10 11 12 13 1 6 44 44 64
6. a flat blade screwdriver Reinstall trigger valve assembly 97 into tool body 44 by aligning the grooves in the valve assembly with the two holes for spring pins 36 and 37 Drive spring pins into tool body until they are flush with the casting surface using service fixture number 61 60 0005 Reinstall selection lever assembly 40 41 42 43 and trigger assembly 38 and 39 by doing the following Place spring 41 onto shaft of selection lever 40 Position spring 39 and trigger 38 over plunger of trigger valve assembly 97 e Insert selection lever assembly 40 and 41 into tool body 44 and align half moon slot of retainer 42 with half moon shaft of selection lever 40 and snap retainer assembly 42 and 43 onto the shaft Install flat side of driver guide 23 towards front of tool body 44 Note Center opening of driver guide 23 has a flat side and one with a slight offset to accommodate help align blade of driver assembly 18 in the assembly Reinstall cylinder ring 21 onto cylinder 20 with flanged end facing the top of cylinder 20 when installed Assemble driver assembly 16 17 and 18 and install it into cylinder assembly 19 20 21 and 22 Install assembled components into tool body 44 Note Orientation of driver assembly 18 must match orientation of driver guide 23 Reinstall press ring 15 onto top of cylinder 20 with wide edge facing toward top cap 6 Reinstall bumper band 24 into slot
7. nal lubrication
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