Jacobsen LF 550, Техническое руководство по ремонту

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3-12 4241262-Rev B
ENGINE
3
Engine Oil Cooler
(Turbocharger Engine Only)
Removal and Installation
See Figure 3-20.
1. Park the mower safely. (See “Park Mower Safely” on
page 1-6.)
2. Allow engine to cool completely.
Figure 3-20
NOTES
• Label all hoses before disconnecting to ensure
correct installation.
• Plug hoses after disconnecting to prevent loss of
engine oil.
3. Disconnect hoses (3 and 4) from
engine oil cooler (1).
4. Remove four clips (2) from four ties (5).
5. Remove engine oil cooler.
Installation Note
Install engine oil cooler by reversing order of removal.
Thermostat
Removal and Installation
See Figure 3-21.
1. Park the mower safely. (See “Park Mower Safely” on
page 1-6.)
2. Allow engine to cool completely.
3. Raise the hood.
!
WARNING
4. Drain approximately 0.5 qt (0.5 L) of coolant from
engine cooling system into a clean, safe container.
5. Remove air cleaner assembly. (See “Air Cleaner
Assembly” on page 3-7.)
Figure 3-21
6. Loosen hose clamp (6) and remove hose (5) from
thermostat housing (2).
7. Remove two screws (1).
8. Remove thermostat housing (2), gasket (3), and
thermostat (4).
Installation Notes
• Clean gasket surface.
• Use a new gasket during installation.
• Install thermostat by reversing order of removal.
• Fill radiator with clean water and ethylene glycol
based antifreeze mixed for coldest ambient
temperature.
2
TN3608
3
1
4
5
Engine coolant is hot and under pressure! Allow
the cooling system to cool completely before
performing service.
Rotate the filler cap 1/2 turn counterclockwise
and allow pressure to vent before removing filler
cap.
5
6
2
TN3611
1
3
4