New Holland 667TA/EBF, Repair Manual

Page: 37 / 150

2-19
87519804 NA Issued 11-06 Bur
CHAPTER 2 - 667TA ENGINE OVERHAUL
ENGINE REPAIR MANUAL
CRANKSHAFT
BS06K022
Figure 2-15
The crankshaft is made of steel and rests on seven
induction hardened bearing journals. Drilled inside
the crankshaft are a series of lubricating oil ducts.
The following items are pressed onto the front of the
crankshaft: oil pump drive gear (1), speed sensor
wheel, the vibration damper, and auxiliary equipment
drive pulley.
The following items are force-fitted onto the rear of
the crankshaft: timing gear (3), and the flywheel
mounting hub (4).
The main bearing shells are made of steel with a
antifriction alloy plating.
One of the main bearing shells is equipped with
shoulders to limit crankshaft endplay.
The timing drive gear (3) and the flywheel attachment
hub (4) are installed on the rear of the crankshaft with
a force-fit and cannot be replaced.
CRANKSHAFT OIL SEALS
The front and rear seals are box type with radial seal.
R e m o v e w i t h s p e c i a l t o o l s 3 8 0 0 0 0 6 6 5 a n d
380000663. Install with special tools 380000666 and
380000664.
1. OIL PUMP DRIVE GEAR 2. CRANKSHAFT 3. TIMING DRIVE GEAR 4. FLYWHEEL ATTACHMENT HUB
3
2
1
4