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12.5 Exchange of pump
The pump must be depressurized and secured against unintentional start-up.
Shut off the circuit of the drive medium.
Step 1:
Attach suitable lifting straps or chains to the bracket (fig. 27, pos. B).
Step 2:
Disassemble hydraulic lines. Collect any leaking drive medium and
dispose of it environmentally friendly.
Step 3:
Disconnect the electrical wiring from the pump.
Step 4:
Loosen the clamping screw (hexagon socket AF 6 – fig. 27, pos. 2).
Step 5:
Lift the pump (fig. 27, pos. 1) out of the barrel or the container using a
suitable lifting device.
The relevant regulations on lifting loads must be
observed. The grease barrel must not be lifted at the
same time.
Ensure that the pump pipe (fig. 27, pos. 3) is not damaged or soiled.
Step 6:
Remove lifting straps or chains from the pump and attach them to the new pump.
Step 7:
Insert the new pump (fig. 27, pos. 1) into the container or the barrel. Carefully insert the pump pipe (fig. 27, pos. 3) into the opening in
the middle of the cover and the follower plate.
Step 8:
Container version:
Push the pump (fig. 27, pos. 1) all the way down until the pump rests on the clamping block (fig. 27, red arrow).
Barrel version:
Push the pump (fig. 27, pos. 1) all the way down until the pump pipe (fig. 27, pos. 3) rests on the bottom of the barrel. Then pull the
pump up again by approx. 1 cm.
Risk of crushing between clamping block and pump body (Fig. 27, red arrow). Slowly lower the pump.
Step 9:
Fix the pump (fig. 27, pos. 1). To do this, tighten the two clamping screws (fig. 27, pos. 2).
Step 10:
Connect the electrical wiring to the pump and install the hydraulic lines (see chapter 9 "Assembly instructions").
Step 11:
Remove lifting straps or chains.
Caution!
B
1
3
2
Figure 27
