WARNING: Each plastic
sheet of the enclosed lami-
nated Safety Instructions
affixed to the Spring Vice,
must be separated from the
Spring Vice and be displayed
conspicuously in every work-place
where the Spring Vice will be used. The
Spring Vice is exclusively constructed
for the tensioning and expanding of
cylindrical and conical coil springs.
Working safely with this appliance is
only possible if the opera t ing instruc-
tions and safety in f or m ation are read
completely and the instructions con-
tained therein are strictly followed.
We are not liable for any damages to
property and injuries to persons that
are due to disregard of the operating
instructions and safety informations.
1. Before each use check the Spring Vice for
full operatability. Do not use the Spring
Vice if the operatability cannot be ensured
or if damage is detected. If the Spring Vice
is used although the operatability cannot
be ensured, you risk severe damages to
property and injuries to persons.
Full operatability is given when:
– the O-ring 11 (C) is evenly fitted into
the groove (if the O-ring is missing, the
shearing pin may get lost);
– the location bar 10 (A) is tightly applied
to the tube;
– the location bar is arrested;
– the appliance is easy-running.
Tool Specifications
MacPherson Spring Vice
Basic appliance:
Max. force of pressure:
Max. driving torque:
Max. length:
Span:
Weight w/o tensioning jaws: 8.4 kg
Replacement set:
Drive DIN 475 –
Test temperature /
Operational range
room temperature
16
For Your Safety
4900-2 A
26 KN
250 Nm
695 mm
309 mm
4900-02 A/3
mm: s 27
mm/rotation 3
-20° up to +40° C
2. When tensioning the spring, please make
sure that neither the spring windings nor
the tensioning jaws 4 (B) come into con-
tact with each other, otherwise the appli-
ance will get overloaded and the shearing
pin will break.
3. The center line of the spring must always
be parallel to the compressing device 2 (A),
especially for conical springs. Otherwise
the correct fit of the spring in the spring
holders cannot be guaranteed.
4. Only use suitable tensioning jaws and
plastic spring protection inserts 4 (B) (see
also page 13). The spring 8 (D) must be
installed securely between the outher rib
6 and the safety ridges 7 (D). Please make
sure that the spring 8 (D) cannot slide out
of the tensioning jaws 4 (A).
5. The tensioning jaws have to be used or
replaced in pairs only. Before starting the
spring tensioning the tensioning jaws 4
(A) have to be pinned and latched. Make
sure that the locking pins 3 (A) are located
properly. Otherwise there is a risk of the
spring or the tensioning jaws sliding out of
their location and causing serious injury.
6. For safety reasons it is not allowed to
make any construction changes to the
Spring Vice. Do not replace the shear-
ing pin 5 (C) with a stronger one, since
the overload protection can no longer be
guaranteed and you risk an overcharge of
the appliance.
Operating Controls
11 Drive nut
12 Compressing device
13 Locking pins
14 Tensioning jaws
15 Safety shearing pin
16 Outer rib
17 Safety ridge
18 Spring
19 Span
10 Location bar
11 O-Ring