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