Specifications

Instructions 77-9045 Bacharach, Inc. Page 2-11
CD3 AUDIT KIT CUMMINS INJECTORS
c. If pressure is still low after checking out the
gauge, there must be a leak. Find and
correct it before continuing with the proce-
dure.
10. If pressure is between 400 and 410 psi:
a. Check for external leakage of discharge
head, especially around the adjustment
screw, and sealing nut.
NOTE: Older Units contain a locknut
and metal-rubber sealing washer, these
should be replaced with the new sealing
nut supplied with the Audit Kit.
If a leak is found, replace sealing nut, but
do not disturb adjusting screw. If external
leak is not evident proceed.
b. Close the valve on the test gauge set.
c. Begin timing with a stop watch. Pressure
on the gauge fixture should not fall below
350 psi before 60 seconds.
11. If pressure drops below 350 psi before 60
seconds:
a. Check all lines and fittings in supply
system for leaks.
b. Replace the sealing nut on back of the
discharge head.
c. Replace the discharge bead.
12. Turn off the main drive. (Push the STOP
button.)
2.5.2 Pressure Drop Test
Set-up
NOTE: Connecting tubing is under
pressure. Use a rag as a shield against
squirting oil.
1. Disconnect connecting tubing from the test
gauge set.
2. Install the discharge head so that the outlet
fitting is directed into the drain tray.
3. Place the splash shield cup and short tube
under the discharge head outlet fitting. Figure 2-16. Pressure Drop Set-up
ÊDISCHARGE
æHEAD
ËSPLASH SHIELD CUP
æAND SHORT TUBE