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4322
Service Manual
Pressure Gauge
Use the following instructions and Figures 5-7 and 5-13 to replace the pressure gauge
().
1.
Depending on the previous level of disassembly the control panel assembly
screws may not be fully removed as the spacers help captivate the screws.
The screws must be fully removed to remove the support bracket (). Hold
the spacer tube to prevent it from spinning while removing the screws.
2.
3.
4.
5.
6.
7.
8.
9.
10. Install the HF2-1/4 NPT adapter () on the pressure gauge ().
11. Connect the pressure supply connection () to the HF2-1/4 NPT adapter ().
12. As shown in Figure 5-7, install the support bracket () on the control panel
13. Put the chassis together and put into the case. See "Chassis" on page 5-11.
5-30
Remove the chassis and separate the chassis. See "Chassis" on page 5-11.
Put the control panel () on a flat work surface upside down, using support blocks
to keep it raised above the surface
As shown in Figure 5-7, remove the four screws () that secures the support
bracket () to the control panel assembly () and handles ().
As shown in Figure 5-7, remove the support bracket ().
Disconnect the pressure supply connection () to the HF2-1/4 NPT adapter ().
Remove the HF2-1/4 NPT adapter () from the pressure gauge ().
Remove the pressure gauge () from the control panel ().
Put the new pressure gauge () in the control panel ().
Apply PTFE tape to the NPT threads on the pressure gauge ().
assembly () with four screws () and two lock washers ().
Figure 5-13. Pressure Gauge Replacement
Note
1
2
3
4
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