MacDon M155 Operators Manual - Manual (Page 336)

MAINTENANCE AND SERVICING
6. Clean radiator (D) through access holes in cooling box
with compressed air.
7. Clean oil cooler / air conditioning condenser (A),
charge air cooler (E), fuel cooler (B), and cooling
box (C) with compressed air.
8. Inspect all lines and coolers for evidence of leaks
and damage.
9. Slide oil cooler / air conditioning condenser (A) back
into cooling box (C).
10. Close side access door and lock with lever.
11. Close access door on top of the cooling box and secure
with wing nut.
12. Close cooler box screen. Refer to Closing Cooler Box
Screen, page 321 .
Figure 5.114: Engine Cooling System
A - Oil Cooler/Condenser B - Fuel Cooler
C - Cooling Box D - Radiator
E - Air Cooler
Adjusting Screen Cleaner Duct to Screen Clearance
Check clearance between trailing edge of screen cleaner
duct (A) and screen. It should be 3/64–5/16 in. (1–8 mm)
at all locations when rotating.
NOTE: Screen cleaner ducts rotate counterclockwise and
may touch screen as long as it continues to rotate.
If necessary, adjust clearance as follows:
1. Open the hood. Refer to 5.4.1 Opening Hood (Lower
Position), page 266 .
2. Loosen nut (B) on motor support (C).
3. Move support in or out until duct is 3/32–1/4 in.
(2–6 mm) from screen near the center.
4. Retighten nut (B).
5. Loosen the two motor mount bolts (D).
6. Move motor/duct assembly (E) to obtain 3/64–5/16 in.
(1–8 mm) gap to screen at full rotation of the duct.
7. Retighten nuts (D) on motor mount.
8. Close the hood. Refer to 5.4.2 Closing Hood (Lower
Position), page 267 .
Figure 5.115: Engine Cooling System
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Revision A