MTU Detroit Diesel 183 Series Technical Publication page 411

Task Description
20080/1 E 98-12
Fit intermediate plate (10) with new gasket (4) on
cylinder head and tighten by hand.
Fit suction valve diaphragm (11) and cylinder head
gasket (12) with designation "Top" in direction of
suction valve diaphragm on locking pins.
Tighten hex screws for cylinder head (3) and hex screw
(1) for intermediate plate to 30 Nm.
Group 13
Subgroup 7001
Page 19