Yanmar 3TNV82A Service Manual page 268

COOLING SYSTEM
2. Reinstall the engine coolant pump bolts.
Tighten the bolts.
3. Inspect and reinstall the coolant hoses and the
temperature switch lead wire.
4. Reinstall the engine coolant pump V-pulley
(Figure 8-13, (1)), spacer (Figure 8-13, (2))
engine coolant fan (Figure 8-13, (3)) and
engine coolant fan guard (if equipped).
(1)
Figure 8-13
5. Inspect the condition of the V-belt. There must
be clearance (Figure 8-14, (1)) between the
V-belt and the bottom of the pulley groove. If
there is no clearance (Figure 8-14, (2))
between the V-belt and the bottom of the pulley
groove, replace the V-belt.
(1)
Figure 8-14
8-12
(3)
(2)
0000163C
(2)
0000584
6. Reinstall the V-belt. Tighten the V-belt to the
proper tension. See Check and Adjust Cooling
Fan V-Belt on page 5-28.
7. Reinstall and tighten the drain plug or close the
drain cock in the radiator. Reinstall and tighten
the engine block drain plug or reconnect the
coolant hose at the oil cooler.
8. Fill the radiator and engine with engine coolant.
See Drain, Flush and Refill Cooling System
With New Coolant on page 5-35.
CAUTION
• Only use the engine coolant specified.
Other engine coolants may affect
warranty coverage, cause an internal
buildup of rust and scale and / or
shorten engine life.
• Prevent dirt and debris from
contaminating the engine coolant.
Carefully clean the radiator cap and
the surrounding area before you
remove the cap.
• NEVER mix different types of engine
coolants. This may adversely affect the
properties of the engine coolant.
TNV DI Service Manual
Engine Coolant Pump
0000006en