Specification For Painting Of Main Engine - Man B&W L35MC6-TII Project Manual

MAN B&W

Specification for painting of main engine

Components to be painted before
shipment from workshop
Component/surfaces, inside engine,
exposed to oil and air
1. Unmachined surfaces all over. However
cast type crankthrows, main bearing cap,
crosshead bearing cap, crankpin bearing
cap, pipes inside crankcase and chainwheel
need not to be painted but the cast surface
must be cleaned of sand and scales and
kept free of rust.
Components, outside engine
2. Engine body, pipes, gallery, brackets etc.
Delivery standard is in a primed and finally
painted condition, unless otherwise stated
in the contract.
Heat affected components:
3. Supports for exhaust receiver
Scavenge airpipe outside.
Air cooler housing inside and outside.
Components affected by water and
cleaning agents
4. Scavenge air cooler box inside.
5. Gallery plates topside.
6. Purchased equipment and instruments
painted in makers colour are acceptable
unless otherwise stated in the contract.
Tools
Unmachined surfaces all over on handtools
and lifting tools.
Purchased equipment painted in makers
colour is acceptable, unless otherwise
stated in the contract/drawing.
Tool panels
Note: All paints are to be of good quality. Paints according to builder's standard may be used provided they at least
fulfil the above requirements.
The data stated are only to be considered as guidelines. Preparation, number of coats, film thickness per coat,
etc. have to be in accordance with the paint manufacturer's specifications.
Fig. 19.02.01: Painting of main engine: option 4 81 101, 4 81 102 or 4 81 103
MAN B&W MC/MCC, ME/ME-B/MEC/MEGI engines
Type of paint
Engine alkyd primer, weather
resistant
Oil and acid resistant alkyd paint.
Temperature resistant to mini-
mum 80 °C.
Engine alkyd primer, weather
resistant.
Final alkyd paint resistant to salt
water and oil, option: 4 81 103.
Paint, heat resistant to minimum
200 °C.
protection of the components
exposed to moderately to
severely corrosive environment
and abrasion.
Engine alkyd primer, weather
resistant.
Oil resistant paint.
Oil resistant paint.
MAN Diesel
No. of coats/ Colour:
RAL 840HR
Total dry film
DIN 6164
thickness
MUNSELL
µm
2/80 Free
White:
1/30
RAL 9010
DIN N:0:0.5
MUNSELL N9.5
Free
2/80
Light green:
1/30
RAL 6019
DIN 23:2:2
MUNSELL10GY 8/4
2/60 Alu:
RAL 9006
DIN N:0:2
MUNSELL N7.5
Free
2/75
2/80 Free
2/60 Orange red:
RAL 2004
DIN:6:7:2
MUNSELL N7.5r 6/12
Light grey:
2/60
RAL 7038
DIN:24:1:2
MUNSELL N7.5
19.02
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