HT2000H_en_n.doc Page 148 of 167
9.1.5.3 Standard version syringe: 2.5ml to 1ml syringe replacement
Proceed as described below:
14. Remove the two main screws (number 1 in Figure 109) that secure the upper cover using
the supplied allen key (see paragraph 2.3 “Tool kit “).
15. Gently lift up the upper cover (number 2 in Figure 110) and the syringe plunger (number 3
in Figure 110) to detach them from the heating body (number 4 in Figure 110).
16. Extract the syringe barrel (number 8 in Figure 111),), with the insulating gasket (number 5
in Figure 111), the syringe holder (number 6 in Figure 111), the upper spacer (number 7 in
Figure 111) and the lower spacers (number 9 in Figure 111) from the heating body
(number 4 in Figure 111).
17. The insulating gasket (number 5 in Figure 112), the syringe holder (number 6 in Figure
112), the upper spacer (number 7 in Figure 112) and lower spacers (number 9 in Figure
112) must be extracted from the syringe barrel (number 8 in Figure 112). Pull them out
from the needle side and do it very gently without any forcing. Please note that all of the
elements should be separated naturally during the extraction of the syringe barrel from the
heating body.
18. Replace the 2.5ml syringe barrel with the 1ml syringe barrel.
19. Re-assemble the syringe warmer assembly. Start by placing the lower spacer (number 9 in
Figure 113) inside the heating body. Please note that 1ml lower spacer has a lower
diameter than the 2.5ml one.
20. Place the insulating gasket (number 5 in Figure 114) inside the heating body (number 4 in
Figure 114).
21. Slide (from the needle side) the 1ml upper spacer (number 7 in Figure 115) inside the
syringe barrel (number 8 in Figure 115). Be careful to insert it in the correct orientation.
Please note that 1ml upper spacer has a lower diameter than the 2.5ml one.
22. Also insert (sliding from the needle side) the syringe holder (number 6 in Figure 116). It
should offer a little resistance during insertion. Please note that 1ml syringe holder has a
lower diameter than the 2.5ml one.
23. Insert the syringe barrel (number 8 in Figure 117), with the upper spacer (number 7 in
Figure 117) and the syringe holder (number 6 in Figure 117) mounted on it in the heating
body. The needle has to be inserted through the hole in the bottom of the body.
24. Proceed with the replacing of the 2.5ml syringe plunger with the 1ml syringe plunger.
Remove the plunger (number 3a, 3b and 3c in Figure 118) from the upper cover (number 2
in Figure 118). To separate the plunger from the upper cover unscrew the nut indicated
with the number 3a. All the components can be disassembled. After the plunger is
replaced, re-assemble the plunger and the upper cover,
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