Kohler Aegis LH630 User Manual download pdf (Page 11)

Figure 11. Radiator Drain Plug Location.

Figure 10. Coolant Levels on Reservoir.

Draining Cooling System

1. Stop the engine and allow it to cool sufficiently.

2. Check if the radiator is cool to the touch. Slowly

loosen the radiator cap to the first stop and allow

any pressure to bleed off. Then loosen it fully and

remove it. Loosen/remove radiator drain plug

and allow coolant to drain. See Figure 11.

Radiator

Drain Plug

Radiator

Drain Plug

Figure 12. Coolant Drain Plug (Some Models).

4. Remove overflow hose from reservoir. Unhook

inboard retainer and slide reservoir out of

supports. See Figure 13. Pour out the contents and

wash or clean as required. Dispose of all the old

coolant properly according to local regulations.

Figure 13. Removing Reservoir.

5. Reinstall the reservoir cap. Do not kink/pinch the

hose.

6. Flush the cooling system (see Flushing Cooling

System).

Flushing Cooling System

With system properly drained:

1. Fill the cooling system with clean water and a

cooling system cleaner recommended for

aluminum engines. Follow the directions on the

container.

3. If equipped, remove the coolant drain plugs

located on each side of the engine block. See Figure

12. Drain the coolant into a suitable container.

After the coolant has drained completely, apply

pipe sealant with Teflon

(Loctite

No. 592 or

equivalent), to the threads and reinstall the plugs.

Torque the two plugs to 36.7 N·m (325 in. lb.).

Coolant

Drain Plug

1 2 ... 6 7 8 9 10 11 12 13 14 15 16 ... 19 20

No comments

Kohler Aegis LH630 User Manual Page 11