Volvo DH10A 245 Service Manual page 88

3. Assemble the pump.
4. Draw the pump body halves together with the two
bolts. Check to make sure the gears rotate easily.
NOTE! Fit the main bearing bolts before final assem-
bly.
Tightening torque, oil pump intermediate gear: 22
Nm (2.2±0.3 kpm)
Oil cooler
Pressure testing
Special tools:
(999) 2800 Test bench
8074 Nipple
8075 Cover washer
1. Drain the oil and coolant. Remove the oil cooler
from the engine. Change to new O–rings before
mouting the press-testing tools.
2. Fit nipple 8074 and cover washer 8075. Connect
up test bench 2800.
3. Set pressure at 30 kPa (0.3 kp/cm
sure for one minute. No pressure drop is allowed.
4. Set pressure at 400 kPa (4 kp/cm
sure remain for one minute. No pressure drop is
allowed.
If pressure drops, the oil cooler must be replaced
since it is not permitted to repair it.
Oil pressure, piston cooling
Special tools:
(999) 6398 Pressure guage
6666 Nipple
Piston cooling oil pressure should be 0.8–1.2 kp/cm
1200–1500 r/min.
If the piston cooling valve does not have a measuring
socket, the valve must be removed from the engine in
order to drill an M10x1 mm hole.Then fit a suitable
plug in the socket after completing the oil pressure
check.
±
3
2
). Hold this pres-
2
). Let this pres-
2
at
2800
8075
6666
8074
6398
87