Use and Care Manual

6
JCT-3640 series Chipping Hammers
Model number JCT-3643 JCT-3644 JCT-3645
Stock number 550643 550644 550645
Shank bushing style Hex Round Hex
Shank bushing size 0.58 in. 0.68 in. 0.58 in.
Stroke length 3 in. 4 in. 4 in.
Bore size 1-1/8 in. 1-1/8 in. 1-1/8 in.
Impact rate (blows per minute) 1,700 1,400 1,400
Average air consumption 8 CFM 8 CFM 8 CFM
Air Inlet 3/8 in. NPT 3/8 in. NPT 3/8 in. NPT
Air hose minimum inside
diameter
1/2 in. 1/2 in. 1/2 in.
Required air pressure 90 psi (6.2 bar) 90 psi (6.2 bar) 90 psi (6.2 bar)
Force per blow @90psi 28.01 Joule 30.41 Joule 30.41 Joule
Vibration value 21.14 m/s
2
23.51 m/s
2
23.51 m/s
2
Noise level
1
97.6 dB(A) 97.5 dB(A) 97.5 dB(A)
Overall length 15-1/4 in. (387 mm) 16-5/8 in. (422.3 mm) 16-5/8 in. (422.3 mm)
Housing material steel steel steel
Net weight 16 lb. (7.3 kg) 18 lb. (8 kg) 18 lb. (8 kg)
Shipping weight 18 lb. (8 kg) 20 lb. (9 kg) 20 lb. (9 kg)