4 cylinders + 6 cylinders 4 cylinders + 6 cylinders - Steyr Motors

ToC SERVICE MANUAL MARINE ENGINES
04 EXHAUST SYSTEM
04.01 HI-RISER
04.01.01 Replace hi-riser
Preparation:
If necessary,
remove heat shield turbocharger.
Disassembly:
1 Disconnect plug (ill.2/pos.1) for exhaust temperature
switch.
2 If bracket is used loosen hexagon screws (ill.2/pos.2)
of bracket.
3 Loosen hose clamp (ill.3/pos.1) connecting hose;
heat exchanger - hi-riser.
01.00 ill.1
3
2
4 Loosen 2 hose clamp (ill.4/pos.2) from exhaust pipe
elbow.
5 Variant 1
Loosen hexagon screws (ill.2/pos.3) of hi-riser.
Remove hi-riser.
6 Variant 2
Loosen profiled clamp (ill.4/pos.1) of
hi-riser.
Remove hi-riser.
01.00 ill.2
1
1
Assembly:
1 Prior to assembly, clean sealing surfaces of
turbocharger - high-riser and lubricate with
high-temperature grease.(SMO Z012222/0)
01.00 ill.3
2 Replace seal (if used). Tighten screws (M8) with a
torque of 23 Nm. (Lubricate threads with high
temperature grease Z012222/0)
Tighten profile clamp hand-screwed.
3 Remaining assembly is done in reverse order.
1
2
01.00 ill.4
Z001019/0_6_July 2008 Page EXHAUST SYSTEM - 3