SECTION 7—BASE COMPONENTS
42
Replacing the High Pressure Switch
NOTE: For this procedure, refer to FIGURE 7.9.
Tools required:
1
1
/
8
inch crows foot
1. Install an empty cylinder onto the compressor. Refer to Connecting/Disconnecting
Cylinder to/from Compressor on page 20.
2. Bleed off any internal pressure.
3. Remove the cylinder from the compressor. Refer to Connecting/Disconnecting
Cylinder to/from Compressor on page 20.
4. Remove the cabinet. Refer to Removing/Installing the Cabinet on page 25.
5. Remove the two wires from the high pressure switch.
6. Using a 1
1
/
8
” crows foot, remove the high- pressure switch.
CAUTION
Gloves MUST be worn during the re-installation process to prevent oil from skin
contacting the high-pressure switch.
7. Using a 1
1
/
8
” crows foot, install the high pressure switch. Torque the high pressure
switch to 50-55 in-lbs (5.65-6.21 Nm).
8. Install the two wires from the high pressure switch.
9. Perform Leak Test procedure. Refer to Leak Test on page 87
10. Perform Fill Test procedure. Refer to Cylinder Fill Test on page 88.
11. Install the cabinet. Refer to Removing/Installing the Cabinet on page 25.
Replacing Burst Disk Fitting
NOTE: For this procedure, refer to FIGURE 7.9.
Tools Required:
9
/
16
inch Wrench
1. Remove the cabinet. Refer to Removing/Installing the Cabinet on page 25.
CAUTION
While performing STEP 2, gloves MUST be worn during to prevent oil from skin
contacting the burst disk fitting. Otherwise, damage to the fitting may occur.
2. Using a
9
/
16
” wrench, remove the burst disk fitting from the stage 5 cylinder head.
3. Using a
9
/
16
” wrench, install new burst disk fitting by threading fitting into the
cylinder head. Torque to 65-70 in-lbs (7.34-7.91 Nm).
4. Perform Leak Test procedure. Refer to Leak Test on page 87
5. Perform Fill Test procedure. Refer to Cylinder Fill Test on page 88.
6. Install the cabinet. Refer to Removing/Installing the Cabinet on page 25.
