Fav 900
Engine / Cylinder head
Checking compression
E
Testing
Fav 900 chassis number 23/3001and up
20.2.2001
2010
000001
E
a
1/1
Capitel
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Date
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Checking compression
PM-Picturemodule
PM-Picturemodule
PM-Picturemodule
PM-Picturemodule
PMTAB_Picture
●
Warm up engine until coolant temperature
reaches 60 to 80
°
C (140 - 176
°
F).
●
Check valves clearance and adjust.
●
Remove all injectors and injector holders.
●
See values of compression in chapter "Service
Data".
Starting with the 1st cylinder, fit new seal and
tighten. Install test adaptor of compression
recorder with threaded union and tighten.
PMTAB_Picture
Screw compression recorder onto test adaptor
and insert test sheet.
Using the starter motor, turn engine until the
indicator no longer deflects.
Connect compression recorder with test adapter
to the other cylinders and proceed as above.
PMTAB_Picture
Depending on the design of the compression
recorder, the engine can also be cranked directly
from the compression recorder.
To do this, the starter has to be connected to the
appropriate electrical leads.
PMTAB_Picture
Compare data and remove compression recorder
and test adapter. Apply "Never Seeze" to contact
faces of injector holders.
Fit injector holder and injectors using a new seal.
Screw on union nut and tighten to specified
torque.
Re-connect injection and leak-oil lines.
Note:
The union nut can be tightened with an open
end wrench without removing the injection
pipe.