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Manuals
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J&M Manuals
Power Hammer
220
Operating and maintenance manual
J&M 220 Operating And Maintenance Manual page 7
Hydraulic impact hammer with model 335 power pack
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MODEL 220
HYDRAULIC
IMPACT HAMMER
TABLE OF CONTENTS
IV.
MAINTENANCE AND ADJUSTMENTS (CONTINUED)
E. Maintenance - Every 4 Months
F. Annually
G. Severe Conditions
H. Lubrication
I.
Hydraulic Oil
J. Capacities
K. Draining And Filling Hydraulic Reservoir
L. Changing The Hydraulic Return Filter Element
M. Setting Main Relief Valve
N. Setting Stroke Control (Clamp) Relief Valve
O. Tensioning Wire Ropes
P. Charging Accumulators
Q. Replacing Ram Connection
R. Bolt Torque Information
S. Checking & Replacing Recoil Dampener
T. Checking & Replacing Cushion Material
V.
HYDRAULIC CIRCUITRY
A. Drive Pump
B. Stroke Control Pump
C. Other
Hydraulic Schematic
D. Hydraulic Components List
VI.
ELECTRICAL CIRCUITRY
A. Diesel Engine
B. Stroke Range Select
C. Hydraulic Hammer
D. Remote - Local Control
E. Engine Throttle
F. Tachometer
G. Other
Electrical Layout
Electrical Schematic
H. Electrical Components List
PAGE
IV-3
IV-3
IV-4
IV-4
IV-5
IV-7
IV-7
IV-8
IV-9
IV-10
IV-10
IV-12
IV-13
IV-14
IV-15
IV-15
V-1
V-2
V-3
V-4
V-5
VI-1
VI-2
VI-2
VI-2
VI-3
VI-3
VI-3
VI-4
VI-5
VI-6
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