background image

R

epair

P 13 / 16 

1) Assemble 2 pcs of O rings 35  to cylinder 34, and insert piston to which 2 pcs. of O rings 27 and rod have to be 
    assembled in advance, into the cylinder 34 as illustrated in Fig. 21. And then, assemble flat washer 45
    to crank housing.

<12> Assembling reciprocating section

2) Further push the piston, until the hole of rod can be seen through the crank cap installing hole of crank housing.
    See Fig. 21A.

3) Press the crank shaft into crank housing with fitting the pin of crank shaft in the hole of rod. as illustrated in Fig. 21B.

O rings 35

Rod

O ring 27

Piston

Crank cap installing hole 
of crank housing

Cylinder 34

Cylinder 34

Crank cap installing hole 
of crank housing

Pin of crank shaft

Hole of rod

Piston

Fig. 21A

Flat washer 45

Fig. 21B

The key installing groove of crank shaft
has to be faced to the side of crank housing,
when assembling.

Fig. 21

<13> Assembling fluoride ring 25 to impact bolt

1. After installing fluoride ring 20 on impact bolt,
    the ring comes stretched and its edge come protruding 
    from the groove. (see Fig. 22)

2. In order to correct the deformation, insert impact bolt
    with the fluoride ring 20 into the repairing tool, Taper 
    sleeve (No.1R259) and leave it in the repairing 
    tool about 10 seconds. (see Fig. 22A)

3. When inserting impact bolt into tool holder, be careful
     not to put the ring out of the groove of impact bolt. 

grooves on
Impact Bolt

Fluoride Ring 25

O ring 20

Before Correction :
Rings' edges are protruding from grooves 
of Impact Bolt.

1R259 Taper Sleeve

Correction

After Correction :
Rings' edges are placed under grooves 
of Impact Bolt.

Impact Bolt

corrected

Hole of rod

Ball bearing 6006LLU

Fig. 22

Fig. 22A

Fig. 22B

Summary of Contents for HR4500C

Page 1: ...ol Rammer Safety Goggles Core Bit Adapter Core Bits Hole diameter 20mm 13 16 30mm 1 3 16 35mm 1 3 8 40mm 1 9 16 45mm 1 3 4 54mm 2 1 8 65mm 2 9 16 79mm 3 1 8 105mm 4 1 8 118mm 4 5 8 Tungusten carbide T...

Page 2: ...e Optimum hammering speed can be selected for a wide range of applications Setting to low speed ideal for such a light chipping works as scraping tiles removing bricks joint Electronic Speed Control D...

Page 3: ...001C HR3850 HR4000C 50 100 150 200 2 28mm hole HR4500C 100 100 100 125 135 110 185 HR5001C HR3850 HR4000C 50 100 150 200 3 35mm hole HR4500C 100 120 115 100 145 HR5001C HR3850 HR4000C 50 100 150 200 S...

Page 4: ...r minute Continuous rating current A on 120V Yes No Yes Yes Yes No Max drilling capacity mm No load speed min 1 rpm Single blow energy Joule 2 action mode settings Yes Yes Yes No Yes Yes Yes Yes 8 3 8...

Page 5: ...r side shaft of armature Oil seal 35 Apply to the lip portion Gear housing Slide sleeve Apply to the lip portion Torque limiter Spur gear 10 Apply to this portion where spur gear 10 does not engage to...

Page 6: ...Otherwise it causes damage of the inner mechanism Change link slid upward with finger Upper hole of change link Crank pin 4 has to be set into the upper hole elliptic hole of change link Change lever...

Page 7: ...6 Disassemble connector and fix rod as illustrated in Fig 6 7 And then remove pick up coil as illustrated in Fig 6 Tapping screws M5x20 Pan head screws M5x20 Handle Connector Fix rod Pick up coil Con...

Page 8: ...Carbon brush Motor housing Rear cover Brush holder cover Tapping screw M4x18 Brush holder cap Tapping screws M5x20 Bottom view of motor housing and fan Hex nut M8 Flat washer 8 Fan Tapping screws M5x...

Page 9: ...cover and crank housing cover as illustrated in Fig 4 Fig 5 and Fig 5A at page 6 and 7 3 Disassemble shoulder pin 8 after removing leaf spring 37 from chuck ring as illustrated in Fig 14A 2 Disassemb...

Page 10: ...holder Chuck ring Leaf spring 37 The bulge has to meet the hole of leaf spring 37 Fig 15B 7 Disassembling tool holder from crank housing 1 Put a driver with slotted bit into the concave portion of sea...

Page 11: ...d in Fig 17B After removing the ball bearing lock sleeve A and B can be disassembled from tool holder No 1R045 Large gear extractor Set flat metal plate like as lock nut wrench for angle grinder as a...

Page 12: ...ng by turning crank shaft as illustrated in Fig 19A Fig 19 Fig 19A Key installing groove Crank shaft Fig 19B 11 Disassembling cylinder 34 Tension Spring Item No 231791 4 Push and open it Turn to right...

Page 13: ...1A Flat washer 45 Fig 21B The key installing groove of crank shaft has to be faced to the side of crank housing when assembling Fig 21 13 Assembling fluoride ring 25 to impact bolt 1 After installing...

Page 14: ...ams on tool holder and the same of spiral bevel gear 36 have to engage each other see Fig 25A Adjust 16 concaves of spiral bevel gear 36 to 6 concaves of crank housing by turning spiral bevel gear 36...

Page 15: ...n 2 change keys And make sure whether the retaining ring S12 is assembled in the groove firmly see Fig 26 and 26A Note Be careful not to expand the retaining ring 12 too wide 4 Assemble slide plate co...

Page 16: ...tch Fix lead wires black and white of power supply cord with these lead holders Fix lead wires black and white of controller with these lead holders Handle Fig B Fig B 1 Pass lead wires black and whit...

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