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JCT-3620 series Chipping Hammers

 

#550623, JCT-3623 4-in. stroke Chipping Hammer, hex shank 

 

 

 

 

Index Part No. 

Description 

Qty

1 JCT3620-01 Handle 

 JCT3620-01A 

Handle 

Assembly 

(#1~9) 

2 JCT3620-02 Trigger 

 

JCT3620-03 

Throttle valve stem bushing 

JCT3620-04 

Throttle valve 4 in. 

JCT3620-05 

Throttle valve spring 

JCT3620-06 

O-ring, 22x3.5 mm 

JCT3620-07 

Air inlet 3/8NPT 

JHM610-93 

Roll Pin 6x26 mm 

10 JCT3620-10  O-ring 

56x3 

mm 

11 JCT3620-11  Valve 

12 JCT3620-12  Valve 

seat 

13  JCT3620-13 

Valve seat bumper 

Index Part No.

Description

Qty

14 JCT3620-14  Dowel 

pin 

6x24mm 

15  JCT3623-15 

Piston 4 in. 

16A  JCT3623-16 

Hex cylinder 4 in. 

17  JCT3623-17 

Shank bushing 0.580 hex 

18 JCT3620-18  Damping 

ring 

19 JCT3620-19  Flange 

20 JCT3620-20  Handle 

bolt 

21 JCT3620-21  Rubber 

spacer 

22 JCT3620-22  Steel 

spacer 

23  JCT3620-23 

Nylon lock nut, black 

24  JCT3620-24 

Retainer coil spring 

25 JCT3620-25  Retainer 

26  JCT3622-26 

Exhaust deflector 4 in. 

JCT3620-RPK, Repair Kit (includes #3,4,5,6) 

JCT3620-RBK, Rebuild Kit (includes #2,5,6,9,14,18,24) 

 

 

 

 

Summary of Contents for JCT-3620

Page 1: ...Hammer 550620 JCT 3620 550621 JCT 3621 550622 JCT 3622 550623 JCT 3623 Operation Parts Manual M 550620 Edition 2 04 2017 JET 427 New Sanford Road LaVergne TN 37086 Ph 800 274 6848 www jettools com Cop...

Page 2: ...ducts Arsenic and chromium from chemically treated lumber Your risk of exposure varies depending on how often you do this type of work To reduce your exposure to these chemicals work in a well ventila...

Page 3: ...p air tool clean and oiled for best and safest performance 32 Do not use combustible gases carbon dioxide oxygen or any bottled gas as an air source for the tool These can present risk of explosion an...

Page 4: ...set forth in this document The instructions and warnings in this manual may not encompass all possible workplace environments The operator is expected to take appropriate precautions and exercise com...

Page 5: ...ration value 15 m s2 15 m s2 26 m s2 26 m s2 Noise level 1 95 dB A 95 dB A 98 dB A 98 dB A Speed settings Variable throttle Variable throttle Variable throttle Variable throttle Overall length 14 in 3...

Page 6: ...to groove until completely installed If needed spray lubricant into groove to facilitate spring insertion An unsecured tool can be ejected from the cylinder with force causing injury Retainer and lock...

Page 7: ...serve the working area Excessive hose length will cause pressure drop 2 Make sure air compressor supplies clean dry air at correct CFM for the tool 3 Set air pressure to 90 psi Excess air pressure an...

Page 8: ...moisture traps and in line oilers on each downline that is to be used for air tools See Figure 3 Place oiler as close to air tool as possible for best lubrication Lubrication Use a light oil containi...

Page 9: ...power erratic action Low air pressure Verify compressor has proper CFM rating for tool Check compressor regulator setting set air pressure to 90 psi Check for loose connections at air inlet o rings et...

Page 10: ...848 Monday through Friday 8 00 a m to 5 00 p m CST Please have the stock number and serial number of your tool available when you call so that we may serve you quickly and accurately Non proprietary p...

Page 11: ...JCT3620 11 Valve 1 12 JCT3620 12 Valve seat 1 13 JCT3620 13 Valve seat bumper 1 Index Part No Description Qty 14 JCT3620 14 Dowel pin 6x24mm 2 15 JCT3620 15 Piston 2 in 1 16A JCT3620 16 Round cylinder...

Page 12: ...g 56x3 mm 1 11 JCT3620 11 Valve 1 12 JCT3620 12 Valve seat 1 13 JCT3620 13 Valve seat bumper 1 Index Part No Description Qty 14 JCT3620 14 Dowel pin 6x24mm 2 15 JCT3621 15 Piston 2 in 1 16A JCT3621 16...

Page 13: ...JCT3620 11 Valve 1 12 JCT3620 12 Valve seat 1 13 JCT3620 13 Valve seat bumper 1 Index Part No Description Qty 14 JCT3620 14 Dowel pin 6x24mm 2 15 JCT3622 15 Piston 4 in 1 16A JCT3622 16 Round cylinder...

Page 14: ...g 56x3 mm 1 11 JCT3620 11 Valve 1 12 JCT3620 12 Valve seat 1 13 JCT3620 13 Valve seat bumper 1 Index Part No Description Qty 14 JCT3620 14 Dowel pin 6x24mm 2 15 JCT3623 15 Piston 4 in 1 16A JCT3623 16...

Page 15: ...tional action needed JET has Authorized Service Centers located throughout the United States For the name of an Authorized Service Center in your area call 1 800 274 6846 or use the Service Center Loc...

Page 16: ...16 JCT 3620 series Chipping Hammers 427 New Sanford Road LaVergne Tennessee 37086 Phone 800 274 6848 www jettools com...

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