300CD (123.153) L5-3.0L DSL Turbo (617.952) (1982)
FIGURE 3 - MEASURE DISTANCE WITH DEPTH GAUGE
3.
Unscrew lock nut while counter holding diaphragm. Measure distance "a" (Figure 3) with depth gauge and write down reading.
4.
Counterhold valve with screw driver and unscrew diaphragm.
5.
Remove valve and clean it.
6.
Install new diaphragm and spring. Adjust to previously recorded distance "a" + 0.5 mm. Tighten lock nut while counterholding diaphragm.
FIGURE 1 - REMOVE SNAP RING
7.
Install cover with new gasket and new lock plates (arrows, Figure 1) . Tighten nuts and bend locking tabs.
FIGURE 4 - INSTALL SNAP RING
8.
Using a C-clamp, hold cap (item 8, Figure 4) in place to install snap ring (arrow) . Make sure that it is seated correctly.
FIGURE 5 - KKK TURBOCHARGER
B.
KKK Turbocharger
The waste gate (item 10, Figure 5) should be renewed with connecting hose (item 11), gasket and screws.
NOTE:
Check valve seat, if damaged replace turbocharger. Following turbocharger installation, test the pressure. At full load, gear selector in position
"L" and engine speed at 4000 rpm the pressure should be 0.7 to 0.9 bar.