Group 21 Service procedures - engine
21
Exposing engine body
TAD1630/TAD1631
1
Shut the fuel cocks. Disconnect the battery cables.
2
Drain the coolant.
3
Remove air filters and pipes for the turbo charger. Remove
stays and brackets.
4
Remove the two charge air pipes.
5
Disconnect the starter heater.
TID162/TWD1620/TWD1630/TD164
1
Shut the fuel cocks. Disconnect the battery cables. Drain the
coolant.
2
Disconnect electric cabling and connections with all sensors
and transducers on the sensor rack. Disconnect the starter
heater.
3
Remove the filters and pipes for the turbo charger. Remove
stays and brackets.
4
Remove the turbo charger from the exhaust pipe and charge
air cooler.
5
Remove the charge air cooler together with the inlet mani-
fold.
Fit adapter 999 8009. Attach the adapter by means of the in-
jector retainer and nut.
2
Connect compression gauge 998 8539 to 999 8009. Crank
the engine with the starter motor while the stop button is de-
pressed. Read the compression pressure at normal starter
motor rpm.
Compression test
(Injectors removed)
Special tools: 999 8009, 998 8539
1
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