MTU Detroit Diesel 183 Series Technical Publication page 578

Group 20
Subgroup 2570a
Page 8
Installation
Raw water inlet elbow installation (illustration, see Page 2).
Grease elbow (8), raw water inlet, and flange (15) with petroleum jelly and insert in coolant distributor housing.
Secure flange (15) and elbow with screws (17) and washers (16) together.
Screw plug (10) with new sealing ring (9) in elbow (8).
Raw water outlet elbow removal (illustration, see Page 2).
Grease elbow (18), raw water outlet, O-ring (22) and sleeve (23) with petroleum jelly and fit in distributor housing.
Secure elbow with screws (20, 21) and washers (19).
Channel plate installation (illustration, see Pages 1 and 2)
Fit guide pin (7) with new sealing ring (6) and coat with petroleum jelly.
Fit initial plate (6) - see Page 1 - on guide pin.
Install channel plates (3, 4) - see Page 2 - if possible in pairs (5), as per arrangement or markings on guide pins.
Fit second-last plate (2) and end plate (1) on guide pins.
Note:
(illustration, see Page 2).
Arrangement - see sign (5) on cover plate (3); direction of arrow of plate seats must always alternate between left
and right.
Cover plate installation (illustration, see Page 2)
Coat securing screws (2) on threaded stem and under head sufficiently with Ultratherm paste.
Fit cover plate (3) on guide pin.
Note:
If channel plates are significantly bent, if necessary preassemble plate core with longer M12 screws (assembly aid).
Install securing screws (2) with tab washers (1) and tighten:
Observe sequence as required (preferable diagonally and evenly), i.e. ensure parallel arrangement of channel
plates.
Pretightening approx. 25 + 3 Nm
Further tightening 45 + 5 Nm
but not beyond block dimension as per sign (5).
If necessary, make a break in tightening (min. 10 mins., max. 1 day), so that gaskets in channel plates can settle in
gaps of channel plates (Sh 70 elastomer).
Then tighten securing screws to block dimension as per sign (5), not exceeding max. tightening torque of
60 + 6 Nm.
Sign installation
Install sign (5) - plate arrangement and block dimension - with grooved pin on cover plate (3).
20080/1 E 98-12
Task Description