Freshwater Pump Installation - Yanmar 6LPA-STP2 Service Manual

COOLING SYSTEM

Freshwater Pump Installation

1. Temporarily secure a new gasket and pump
using 6 bolts and 2 nuts.
2. Temporarily tighten the 3 bolts securing the
alternator and adjusting bar (Figure 7-5, (1))
then uniformly tighten the 7 bolts and 2 nuts
securing the freshwater pump to the cylinder
block (Figure 7-5).
Torque to: 12mm bolt head: 200 kgf·cm,
19.61 N·m (173.5 lb-in.)
14mm bolt head: 400 kgf·cm, 39.23 N·m
(347.2 lb-in.)
Figure 7-5
( 1 )
Figure 7-5
3. Install the camshaft oil seal retainer. Camshaft
Oil Seal Retainer Installation.
4. Install No. 1 camshaft timing pulley, idler pulley
and timing belt. See Timing Belt Installation on
page 5-73.
7-6
5. Install the freshwater pump pulley, drive belt
and viscous damper and torque to 65 kgf·cm,
6.37 N·m (56.3 lb-in.).
6. Install and adjust the drive belt. Tighten four
freshwater pump pulley nuts (Figure 7-6).
Torque: 200 kgf·cm, 19.61 N·m (173.5 lb-in.)
Torque: 380 kgf·cm, 37.27 N·m (329.8 lb-in.) for
viscous damper.
Figure 7-6
7. Fill with engine coolant (fresh water).
8. Start the engine and check for leakage.
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© 2007 Yanmar Marine International
Cooling System
Figure 7-6
6LPA Service Manual
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