Enerpac WCR-Series - Manual (Page 8)

Fig. I
8
ENGLISH
4 Operation
4.1 Prior to operation
-
Make sure the nut or bolt to be
fastened is clean and free of dust.
- Make sure the nut or bolt runs
correctly on the thread.
- Make sure that the threads and the
bearing surface are liberally coated
with the correct lubricant or anti-
seizure compound.
- Make sure that the spanner used to
keep the nut or bolt on the opposite
end in place, is of the correct size
and that there is an adequate
abutment surface.
4.2 To set the torque
Adjust the pressure on the pump as
necessary to set the torque. Refer to sections
6.3.1 and 6.3.2 for torque setting tables.
4.3.1 To tighten a nut or bolt (fig. G, H, I)
•
Place the wrench on the ground or on
a solid surface, such as a workbench.
• Operate the pump in the Retract
direction until drive unit is fully
retracted and the spanner socket
moves fully outward. Stop the pump.
• Swing the reaction roller bracket fully
outward, away from center of tool.
• Position the tool on the nut (bolt) with
the clockwise (+) side facing upwards.
• Position reaction roller against pipe
flange. Note: If a gap between
roller and flange is present, position
the roller as close to the flange as
possible, so that gap is minimal.
• Operate the pump in the Advance
direction to activate the wrench and
begin tightening the nut (bolt).
Stop operation immediately if a gap
appears between the cylinder
locating plate and the drive unit.
Never strike the tool with a hammer.
Fig. H
Fig. G