Model 425--16
page 12 of 16
PRODUCTS CORPORATION
33 ANDERSON ROAD, MIDDLETOWN, CONNECTICUT 06457-4926
UNITED STATES OF AMERICA E--MAIL.
TEL. 860-347-7271 FAX. 860-347-6978 WWW.
jarvisproducts.com
JARVIS
6225030::.
®
SPECIFICATIONS
Model 425--16
Blade Opening
3.7 in
94 mm
Control Handles
Air / Dual Anti--tie Down
50 psi
3.4 bar
Cutting Force
1300 lbf
5.78 kN
Cutting Cycle
1 sec
Overall Length (4025072)
25 in
635 mm
(4025075)
18 in
460 mm
Weight
20 lb
9 kg
Hydraulic Power Unit
Voltage
460/230 V - 60 Hz -- 3 ph
other voltages and frequencies available
Power
5 hp 3700 Watts
Hose Length
16 ft
5 m
Oil Capacity
20 gal
76 L
Oil Viscosity at 100
°
F/40
°
C 200 SUS
46 ISO
Dimensions with heat exchanger (l x w x h)
34 x 24 x 28 in 864 x 610 x 711 mm
Dimensions without heat exchanger (l x w x h)
31.5 x 25.4 x 30 in 800 x 645 x 711 mm
Weight (without oil)
250 lb
113 kg
INSTALLATION INSTRUCTIONS
Refer to Figure G on page 10 for referenced items unless
otherwise noted. Use Figure H on page 11 and Figure
1 on page 13 as a guide for hose connections and wiring
of the electric/pneumatic control box.
IMPORTANT:
ALWAYS
DISCONNECT
ALL
HYDRAULIC AND AIR HOSES AND SHUT THE
POWER OFF IN ACCORDANCE WITH OSHA’S
LOCKOUT/TAGOUT PROCEDURES (29 CFR 1910.147)
BEFORE PERFORMING ANY MAINTENANCE OR
REPAIRS.
1 Install the 425--16 above the work station from a
balancer.
Jarvis
part number 4042045 is available.
1.1 The 425--16 should have sufficient travel to allow
the operator to reach the entire work area.
2 Install the hydraulic power unit above the operator’s
station.
3 Fill the power unit oil reservoir with a USDA H1
approved premium grade hydraulic fluid (viscosity:
200 S.U.S. at 100
°
F/ 46 ISO at 40
°
C
).
Never run the
power unit without oil.
4 Make all the necessary air connections.
4.1 The air inlet pipe should be
3
/
8
inch diameter
minimum.
4.2 The required compressed air supply is 40 psi
minimum to 50 psi maximum.
4.3 An air regulator must be installed in the line to the
quick connect plug (item 16) before the inlet to the
filter (item 15).
5 Make all necessary hose connections.
5.1 Attach one end of both yellow hose, Figure H,
page 11) to the tube fittings (item 11, Figures A or
C,
as applicable,
on pages 4 and 6) on the 425--16
cutter.
5.2 Attach the free ends of the yellow hoses to the
fittings (item 11) on the electric/pneumatic
control box.
5.3 Attach one end of the grey hose (Figure H, page
11) to the fitting (item 10, Figures A or C,
as
applicable
, on pages 4 and 6) on the 425--16
cutter.
5.4 Attach the free end of the grey hose to the
connector
assembly
(item
21)
on
the
electric/pneumatic control box filter.
6 Make all the necessary wiring connections.
All wiring
must be done in accordance with national, state and
local electrical codes.
6.1 Adjust cutter opening cycle.
Refer to Figure 1,
page 13.
6.1.1 Close the cutter blades.
Refer to operating
instruction 4.1.
6.1.2 Release the trigger(s).
6.1.3 Set the timer on the ATD board so that the
valve on the hydraulic power unit is
de-energized when the blades have fully
opened.
Older boards use a square
potentiometer with a screw driver slot.
Newer boards use a group of four rocker
switches
.
6.2 Make sure the compressed air supply is at the
proper pressure (40--50 psi).
6.3 Make sure the 425--16 cutter moves freely on the
balancer.
specifications and
installation instructions