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MODEL 220
HYDRAULIC
IMPACT HAMMER
IV.
MAINTENANCE AND ADJUSTMENTS
R. BOLT TORQUE INFORMATION
The only way to actually tighten high strength bolts is with a torque wrench. Proper
use of the torque wrench is important. To obtain the listed torques, a steady pull
should be exerted to the handle until the desired torque is reached.
The following torque specifications apply to the bolts from the component
assemblies listed. Whenever any of these bolts, are replaced, the given torque
specifications should be adhered to.
LIFTING BALE
Item 72
Item 35
RAM ASSEMBLY
Item 20
ACTUATOR MOUNTING
Item 4
ACTUATOR ASSEMBLY
Item 7
Item 3, 30, 37
Item 14, 23, 34, 38
Page VIII-6
5/8"-11
233 Ft-Lbs (32.2Kg-M)
1"-8
1009 Ft-lbs (139.4Kg-M)
Page VIII-8
3/4"-10HHCS
275 Ft-Lbs (38Kg-M)
Page VIII-9
3/4"-10SHCS
417 Ft-Lbs (57.6Kg-M)
Page VIII-14 & 15
1/2"-13
119 Ft-Lbs (16.4Kg-M)
3/4"-10
417 Ft-Lbs (16.4Kg-M)
1"-8
1009 Ft-Lbs (139.4Kg-M)
IV-14
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