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nut (9). Select the suitable bending former (10) for the pipe size and fi t it on the
rack (8). Press down the advance lever (11) in the direction of the arrow (18)
and push back the bending former (rack) to the rear stop. Release the advance
lever.
Device for reverse bend Fig. 5 (accessory)
Place the bending former holder (19) on the bender drive (4) so that the holder
for the bending former is facing towards the rack (8). Fix the bending former
holder (19) with the wing nut (9). Fit the back former support holder (20) to the
rack (8). Fix the back former support holder (20) with the wing nut. Place the
back former support (3) in the back former support holder (20) so that the back
formers (3) for the desired pipe size are facing towards the bending former
holder (19). The backformers (7) are marked with the pipe size. Fix the back
former support (3) with the wing nut. Select the suitable bending former (10)
for the pipe size and fi t it on the bending former holder (19). Press down the
advance lever (11) in the direction of the arrow (18) and push back the back
former support (rack) to the rear stop. Release the advance lever.
2.3. REMS Hydro-Swing Fig. 7 – 8
Place the back former support (3) on the bender drive (4) so that the back
formers (7) for the desired pipe size are facing towards the advance lever (8).
The back formers are marked with the pipe size. Fix the back former support
(3) with the wing nut (9). Select the bending former (10) suitable for the pipe
size, align the square pin of the advance plunger (8) to the square pin of the
bending former (10) by swivelling the advance lever and fi t the bending former
onto the advance plunger (8). Close the return valve (13) by turning in and
screw hand tight. The bender drive (4) can be turned approx. 360°. Then the
advance lever (11) can be positioned to the bending former (10) and back
former support (3) as required.
3. Operation
3.1. REMS Python Fig. 1 – 3
Lift up the upper roller support (2). Insert the pipe between the rollers (7) and
the bending former (10). Close the upper roller support (2). Move the advance
lever (11) up and down several times until the pipe has reached the desired
bending angle. Open the return valve (13) by about 1 turn, the bending former
(10) returns to the starting position with the pipe bend. Lift up the upper roller
holder (2) and remove the bent pipe. The bending formers St 1" to St 2" have
a hexagon head screw. This can be used to press out a pipe jammed in the
bending former.
There is an angle marking (14) on the upper roller holder (2) for orientation for
the bending angle.
NOTICE
To ensure functional reliability and to prevent hydraulic oil leakage, the locking
screw (12) must be closed after bending has been completed and for transport
of the bender drive.
5. Behaviour in the event of faults
5.1. Fault: Bending former (10) does not advance despite moving the advance lever (11) up and down several times.
Cause:
● Return valve (13) not closed (REMS Python, REMS Hydro-Swing).
● Not enough hydraulic oil in the system.
● Air in the system (REMS Python).
● Advance lever (11) not pushed properly (REMS Swing).
● Overpressure valve responds (REMS Python, REMS Hydro-Swing).
● Pipe bender defective.
5.2. Fault: 90° bend cannot be fully made.
Cause:
● Not enough hydraulic oil in the system.
● Rollers (7) in wrong position between roller holders (1 and 2)
(REMS Python).
● Back former support (3) fi tted incorrectly (REMS Swing,
REMS Hydro-Swing).
10
3.2. REMS Swing Fig. 4 – 6
Turn the back formers (7) so that radius on the back former corresponding to
the pipe size is on the side facing the bending former (10). Insert the pipe
between the bending former (10) and the back formers (7). Push the advance
lever (11) several times opposite to the direction of the arrow (18), until the pipe
has reached the desired bending angle. Push the advance lever (11) in the
direction of the arrow (18) and push back the bending former, if necessary with
the bent pipe. Remove the pipe.
NOTICE
The bending formers (10) and the back formers (7) of REMS Swing are made
of glass-fi bre-reinforced polyamide. This plastic have very good slide properties,
is very strong and heat resistant up to approx. 150 °C. Annealed copper pipes
must be cooled down below this temperature.
3.3. REMS Hydro-Swing Fig. 7 – 8
Turn the back formers (7) so that radius on the back former corresponding to
the pipe size is on the side facing the bending former (10). Insert the pipe
between the bending former (10) and the back former (7). Move the advance
lever (11) up and down several times until the pipe has reached the desired
bending angle. Open the return valve (13) by about 1 turn and the bending
former (10) returns to the starting position with the pipe bend. Remove the pipe.
NOTICE
The bending formers (10) and the back formers (7) of REMS Hydro-Swing are
made of glass-fi bre-reinforced polyamide. This plastic have very good slide
properties, is very strong and heat resistant up to approx. 150°C. Annealed
copper pipes must be cooled down below this temperature.
3.4. Bending to size Fig. 9
There are 2 markings (15) on the outside of the bending formers (10) which
allow exact bending to size. To do this, the dimension mark at which the 90°
bend is to end must be placed against the marking (15) over the centre.
4. Maintenance
4.1. Maintenance
In the REMS Python, check the advance lever (11) regularly for damage,
change damaged advance lever. REMS Swing and REMS Hydro-Swing are
maintenance-free.
Clean the pipe bender regularly especially when it has not been in use for a
long time. Keep the bending contours of bending former (10) and rollers/back
formers (7) clean. Use REMS CleanM (Art.-No. 140119) or mild soap and a
damp cloth for cleaning. Do not use household cleaners. These often contain
chemicals which can damage the plastic parts. Never use petrol, turpentine,
thinner or similar products for cleaning. Never immerse the pipe bender in liquid.
4.2. Inspection/Repair
CAUTION
CAUTION
This work may only be performed by qualifi ed personnel.
In REMS Python, check hydraulic oil (Fig. 2), refi ll hydraulic oil (Art. No. 091026)
if necessary. Do not overfi ll, otherwise hydraulic oil will leak during work.
Remedy:
● Close the return valve (13) by turning in and screw hand tight.
● Refi ll hydraulic oil (in REMS Python (Fig. 2 and 4.2. Inspection/repair). Have
the REMS Hydro-Swing checked/repaired by an authorised REMS customer
service workshop.
● Open return valve (13) by about 1 turn and move the advance lever (11) up
and down several times until the air has escaped.
● Push the advance lever (11) several times, as far as possible, in the opposite
direction to the arrow (18).
● Pipe is unsuitable for bending. Only use approved pipes.
● Have the pipe bender checked/repaired by an authorised REMS customer
service workshop.
Remedy:
● Refi ll hydraulic oil (in REMS Python (Fig. 2 and 4.2. Inspection/repair). Have
the REMS Hydro-Swing checked/repaired
by an authorised REMS customer service workshop.
● Insert the rollers (7) according to the pipe size, see scale (17), into the holes
between the roller holders (1 and 2).
● Fit back former support as described in 2.2. or 2.3.
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