Pressure-Testing Cylinder Head - Mercedes-Benz 603 Service Manual

ressure-testing cylinder head
Preliminary operations:
l-4 15).
Valves removed.
Valve shaft seals removed (05-270).
Cylinder head (1)
Pressure plate (2)
Connection for cooling water return fitting and
heater feed line
Compressed air
Cylinder head (1) with pressure plate (2) . . . . . . .
01.10 - 420/l
clean.
bolt onto cylinder head with rubber sealing plate
601 589 00 25 00, unbolt.
on cylinder head, plug tightly.
connect to fitting (3) on pressure plate and allow
compressed air to flow into cylinder head at
pressure of 2 bars.
fasten to suspension device 115 589 34 63 00
and immerse in water preheated to approx.
80 " C.
EXIT