Workshop Manual

5
Workshop Manual, TPD 1458E, issue 3 - Perkins Confidential: Green 49
400 Series
Main bearings
To dismantle and to assemble Operation 5-4
End float
If the end float is greater than the service limit check the thrust washers for wear.
Note: Item (1) only used on 404C-22 and 404C-22T.
1 Identify the location of bearing carriers on the crankshaft and mark before removal.
2 Install bearing carriers on the crankshaft, ensure that the lubricating oil holes align with the feed holes in the
cylinder block.
3 Check end float clearance.
Note: Ensure that the thrust washers are aligned correctly, fitted with their oil grooves towards the crankshaft.
4 Check the thrust washers for wear, poor contact or damage, if damaged renew.
Engine Torque Nm (lbf ft) kgf m
403C-11 Bearing holder setscrew 23 (16.9) 2,3
403C-15, 404C-22 and 404C-22T Bearing holder setscrew 52 (38.3) 5,2
Engine Standard clearance Service limit
403C-11 0,10 - 0,30 mm (0.0040 - 0.0120 in) 0,50 mm (0.0197 in)
403C-15, 404C-22 and 404C-22T 0,10 - 0,40 mm (0.0040 - 0.0160 in) 0,50 mm (0.0197 in)
Engine Thrust washer thickness Service limit
403C-11
21,85 - 21,95 mm (0.8602 - 0.8641 in) 21,6 mm (0.8503 in)
403C-15, 404C-22 and 404C-22T 2,95 - 3,00 mm (0.1161 - 0.1181 in) 2,80 mm (0.1102 in)
H1067
1