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HR2000 Description MAKITA Rotary hammer ONCEPTION AND MAIN APPLICATIONS This is the first pistol type Rotary hammer from Makita. Compared with conventional vibrating drills, this product is light-weight and shows excellent drilling speed equal to 25 mm Rotary hammer. Drill bit is common to HR 2510 and HR 1820 models.
eatures and benefits Maximum power (drilling efficiency) in the pistol- type hammer drills (see p2/8 -3/8). Variable speed switch and rotation reversing switch Easy replacement of bits and adapters by the chuck which slides back-and-forth Working on iron, wood and screw driver by attaching chuck adapter and drill chuck of optional accessories. Grease- pack system which needs no lubrication Drilling speed of the large size (Ø18) 6 times as fast as vibrating drills (8419B-2 HP 2010N)(see p3/8).
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6. Bar or pipe (diameter:27, length:25 or more) (this is for making works easier) (2) Lubricating spots Apply Makita grease R No.00 or Makita hammer oil XLD (0.5g-1g) for the following places to prevent wear in early stages and seizure 1. O-ring of impact bolt O-ring and groove 2.
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4. Piston joint hole inside outside 5. Tooth surface of gears 6. Needle bearings 7. Piston cylinder- inside and outside grease grease 8. Lip surface of oil seal 12 and oil seal 28 grease 9. Both sides of Vespel washer 28 grease grease (3) Disassembly and Assembly...
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3-1 Disassembly of impact bolt and idler As shown in the sketch, insert (-) driver (tip width 5mm approx.)through the hole of tool holder and hook ring spring hole by driver tip . Then, push it up to remove from the groove. Also follow the same procedure in the other hole as there are two hole.
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First, apply grease thickly inside and outside of the crank joint. Then, fit pin 7 of crank shaft and crank joint with piston cylinder moving by finger, looking inside through the window of crank housing as shown in the sketch. 5.