Graco 334130A, Инструкция-перечень запасных частей

Страница: 52 / 108

Repair
Replace MZLP
1. Turn the main power switch off.
2. Disconnect heated hose electrical connectors
from MZLP (111 or 112).
3. Note location of each cable, then unplug all
cables from the MZLP (111 or 112) that will be
replaced.
4. Remove four screws (115) securing MZLP (111
or 112) to electrical enclosure then carefully
remove MZLP from electrical enclosure.
Figure 32 MZLP Identification
5. Replace MZLP.
a. To replace MZLP #1, remove the daughter
card and standoffs, and re-install them on
the new MZLP #1.
b. To replace MZLP #2 or #33, remove the
jumper (162) from MZLP #2 or #3 J5
connector and reinstall it on the new MZLP
J5 connector.
6. To reassemble MZLP, Set MZLP rotary switch
based on location. See MZLP Rotary Switch
Table.
7. Use four screws (115) to install MZLP (111 or
112) to electrical enclosure.
8. Reconnect cables to MZLP.
Note
Do not force the electrical connection.
Minimal force is required to seat the
connector. If resistance is felt, stop and
verify the connector orientation.
Note
If unable to determine connector location,
see Electrical Schematics, page 59 .
9. Connect heated hose electrical connectors to
new MZLP.
Note
MZLP may need updated software. See
Update Software, page 58 .
Table 10 MZLP Rotary Switch
MZLP System Rotary Switch
Primary 0
#1 with
Daughter Card Secondary
4
Primary 1
#2
Secondary 5
Primary 2 #3
Secondary 6
52 334130A