Only use the following torque settings when no setting is specified in the manual.
CAUTION:
All bolts used on JCB equipment are high tensile and must not under any circumstances be replaced
with bolts of a lesser tensile specification.
TABLE OF IMPORTANT TIGHTENING TORQUES
Tightening Points
Tightening Torques
Capscrew
Nm
kgf m
lbf ft
Size
Top cover to head capscrews (Standard, 20 kg & 23 kg)
135
13.8
100
M12
Top cover to head capscrews (Standard, 26 kg)
215
21.9
158
M14
Handle bracket to head capscrews (Vibro, 22 kg & 25 kg)
135
13.8
100
M12
Handle bracket to head capscrews (HM22 & HM25)
135
13.8
100
M12
Handle bracket to head capscrews (Vibro, 28 kg)
215
21.9
158
M14
Handle bracket to head capscrews (HM29)
215
21.9
158
M14
Handle to top cover capscrews (Standard, 20kg, 23kg & 26 kg)
67
6.8
50
Top cover to Handle bracket capscrews (Vibro, 22kg, 25kg & 28 kg) 16
1.6
11.9
Top cover to Handle bracket capscrews (HM22,HM25,HM29)
16
1.6
11.9
Barrel to nose capscrews (Standard 20, 23 kg & Vibro 22, 25kg)
135
13.8
100
M12
Barrel to nose capscrews (HM22 & HM25)
135
13.8
100
M12
Barrel to nose capscrews (Standard 26 kg & Vibro 28 kg)
215
21.9
158
M14
Barrel to nose capscrews (HM29)
215
21.9
158
M14
Head assy to barrel/nose assy (Standard 20 kg & Vibro 22 kg)
135
13.8
100
M12
Head assy to barrel/nose assy (HM22)
135
13.8
100
M12
Head assy to barrel/nose assy (Standard 26 kg & Vibro 28 kg)
215
21.9
158
M14
Head assy to barrel/nose assy (HM29)
215
21.9
158
M14
Accumulator top to head capscrews (‘D’ & ‘T’)
80
8.1
59
M10
Barrel to head capscrews (‘D’ & ‘T’)
135
13.8
100
M12
Note:
Check breaker specification to match breaker weight with the model number of your breaker.(see
Section D
)
A2
INTRODUCTION
9803/1250
A2
Issue 2
TORQUE SETTINGS