User's Manual

Maintenance
312753E 13
Proximity Switch Replacement
1. Turn OFF the hydraulic fluid motor, bleed the
hydraulic pressure to zero and allow the fluid to
cool.
2. Disconnect the cord set (BA) from the machine at
the Amphenol connector (BB).
3. Unscrew the knurled knob at the end of the cord
set (BA) and disconnect the cord set from the prox-
imity switch (BC) on the MixHead.
4. Unscrew the proximity switch (BC) from the Mix-
Head using the open-end wrench.
5. The replacement proximity switch will have an
o-ring (BD) already in position. Be sure to install the
switch (BC) with the o-ring (BD) in place.
6. Carefully screw the replacement proximity switch
(BC) back into the MixHead by hand and tighten
with the wrench.
7. Ensure the o-ring (BD) forms a leak-proof seal.
8. Match the keys on the cord set with the keyways on
the proximity switch, insert the cord set into the
proximity switch and tighten the knurled knob.
9. Connect the cord set (BA) to the machine at the
Amphenol connector (BB).
10. Purge all air from the hydraulic fittings. See step 3
on page 7.
See FIG. 3 on page 12.