Perkins 4006-23TAG1A User Handbook Manual page 10

1
Preservation level 'C'
Additional to Level 'B' for UK or overseas shipment when prolonged storage and protection is required for up
to 5 years in tropical temperate, or arctic climates. Also meets preservation to MOD NES 724 Level 'J' for UK/
Europe when stored in unheated buildings or in the open under waterproof covers.
Note: Item numbers: 3,4,5 and 6 do not apply to gas engines.
1 After engine test the oil shall be drained from the sump, filter and oil cooler.
2 Refill with the recommended preservative oil.
3 The complete fuel system shall be drained including filters, unit injector circuit and fuel tank. This fuel shall
be replaced with the recommended preservative fluids.
4 The engine shall then be run on the recommended preservative fluid for 5 minutes at idling speed, ensure
the preserving fluid is circulated via the fuel return connection.
5 During this period, 2 brief accelerations to a high idle speed must be made to ensure complete circulation
of the preserving fluid.
6 The preserving fluid is to remain in the fuel system and further rotation of the engine components is to be
avoided.
7 The engine oil is then to be drained.
8 The cooling system shall be flushed through with corrosion inhibited anti-freeze at 50% dilution, see
"Coolant specification" on page 38.
9 The coolant pump impellor shall be sprayed with the recommended preservative oil film rust preventative.
10 After the engine is painted to the appropriate standard all bright surfaces and unpainted metal are to be
treated with the recommended preservative, brushing quality (this includes control linkages etc).
11 Inlet and exhaust manifolds shall have the recommended preservative vapour phase inhibitor placed in
them before they are sealed normally.
12 Air filters to be sprayed inside with the recommended preservative oil.
13 Plastic plugs are to be fitted to fuel entry points, coolant connections, spare instrument holes in panels and
air filter inlets.
14 Exhaust outlet is to be fitted with steel blanking plate.
15 Coolant hoses are to be treated with silicone grease and wrapped or sleeved with black polythene (silicone
rubber hoses need not be treated).
16 Drive belts are to be removed, wrapped in wax paper and packed in black polythene with silica gel as
desiccant.
17 Starter, alternator, switches, instruments, sensors and wiring are to be sprayed with the recommended
preservative silicone grease.
18 Pulleys, flywheel, starter ring, pinion etc shall be protected by dipped or painted with the recommended
preservative oil film rust preventative.
19 The flywheel housing shall be fitted with a steel blanking plate.
20 Control panels are to have desiccants placed inside.
21 The complete engine assembly shall then be sprayed with the recommended preservative wax film rust
preventative.
The degree of preservation is to be recorded on the Engine Specification and Test Certificate attached to each
engine on despatch.
6 User's Handbook, TPD 1508E, issue 1
4000 Series