User`s guide
SYRINGE LOADING
Figure 18: Front view of PHD ULTRA
™
showing important controls for syringe loading.
1. Adjust the Pusher Block (2) to the approximate length of the syringe(s) by squeezing the Release Tabs
(1) and sliding the Pusher Block (2) into position.
2. Loosen the Retaining Brackets (4,5) on both the Pusher Block (2) and Syringe Holder Block (3) by
unscrewing the Bracket Clamping Knobs (7,8). Lift the Syringe Barrel Clamp (12) by unscrewing the
Syringe Barrel Clamp Knob (6).
3. Place the syringe(s) on the Syringe Holder Block (3). Ensure that the barrel flange is within the
Syringe Holder Block’s Retaining Bracket (5) and the plunger flange is within the Pusher Block’s
Retaining Bracket (4).
Figure 19. Close-up of syringe positioning with plunger inserted in retaining bracket of pusher block.
4. Lower the Syringe Barrel Clamp (12) by screwing down the Syringe Clamp Knob (6) until the clamp is
tight against the syringe barrel.
5. Push the Retaining Brackets (4,5) tightly against the syringe flanges then tighten the retaining brackets
using the Bracket Clamping Knobs (7,8).
6. Squeeze the Release Tabs (1) and move the Pusher Block (2) to the right until the syringe plunger is
located as far into the syringe as it will travel.
7. Using the Allen Wrench, located in its holder in the rear of the Pulley Cover (11), loosen the Infusion
Mechanical Stop (9) and slide it to the left until it is in contact with the Pusher Block (2). Use the
Allen Wrench to tighten it in this position.
8. Squeeze the Release Tabs (1) and move the Pusher Block (2) to the left until the plunger is located just
to the left of the maximum volume allowable. Use the Allen Wrench to loosen the refill Mechanical
Stop (10) and slide it to the right until it is in contact with the Pusher Block (2). Tighten the Withdraw
Mechanical Stop (10) and then return the Allen Wrench to its holder (11).
2111 4
6
12
7
9
8
10
5
3
1
. Release Tabs
2. Pusher Block
3
. Syringe Holder Block
4. Retaining Bracket
(
Pusher Block)
5. Retaining Bracket
(Syringe Holder Block)
6
. Syringe Barrel Clamp Knob
7
-8. Bracket Clamping Knobs
9. Mechanical Stop
(Infuse)
1
0. Mechanical Stop
(Withdraw)
11. Pulley Cover
(Allen Wrench Holder)
12. Syringe Barrel Clamp
Harvard Apparatus PHD ULTRA
™
Syringe Pump Series User's Manual
Publication 5419-002-Rev-A
30
S
etting Up The PHD ULTRA™