Doosan DA40 - Renewing seals and leakage testing

Engine
SHOP MANUAL
Ch 1 page 149
Renewing seals and leakage testing
1. Remove the side cover and oil cooler from
the block.
2. Remove the 4 bolts securing the oil cooler to
the side cover.
3. Remove the oil cooler.
4. Renew the 4 O-rings.
5. Fit the oil cooler insert and bolt securely to
the side cover using 26 Nm torque.
6. Bolt the side cover to the block.
Leakage testing (12 Litre engine)
Connect tool 99 405. and 99504
Lower the oil cooler complete with the housing into a water bath.
Raise the pressure to 2 bars using the handle.
Maintain the pressure for at least one minute.
Where there is leakage, renew the parts which leak and carry out
the pressure test one more tim
Figure 295
Figure 296
Figure 298
Figure 297