Yanmar 4LHA-HTP Operation Manual page 613

Chapter 7 Reduction and Reversing Gear
5. Reassembly
CONTROL BLOCK
7. Ensure piston rings are in place and the key-is in keyway.
Align key on shaft with keyway in control block.
8. New gasket between control block and housing.
a - Key
b - Piston Rings
9. Carefully push control block onto input shaft.
10. Coat each hex socket head bolt with a drop of Loctite
Type " A " . Secure control block to housing with bolts and
lockwashers. Torque to 25N-im(2.5kgf-m).
a - Hex Socket Head Bolts (6)
FLUID FILTER
11. Coat new O-rings with ATF.
a - O-rings
12. Reassemble filter assembly as shown. DO NOT tighten
and compress upper O-ring.
DIPSTICK
13. Coat sealing ring on dipstick with ATF.
14. Install dipstick into transmission and tighten by pressing
down and turning clockwise at the same time.
7-2-39
4LHA Seru