Tweco 1000 Merlin(Dec2004) - Manual (Page 56)

SERVICE 5-10 Manual 0-2708
C. Coolant Filter Assembly Replacement
The Coolant Filter Assembly is located on the rear panel
of power supply.
1. Remove the two Coolant Hose connections to the
Coolant Filter Assembly.
A-02155
Coolant Filter
Assembly
Coolant Hose
To Pump Assembly
(Filter Output)
Elbow Fitting
Bracket
Coolant Hose
(Filter Input)
Figure 5-7 Coolant Filter Replacement
2. Remove the two elbow fittings on each side of the
Coolant Filter Assembly and remove the damaged
assembly from the bracket.
3. Clean the old thread sealer from the threads of the el-
bow fittings.
4. Apply a thin coating of liquid teflon thread sealer to
the threads of the elbow fittings.
5. Place the replacement Coolant Filter Assembly in the
bracket with the arrow pointing to the left and reinstall
the two elbow fittings.
6. Reconnect the two Coolant Hoses to the Coolant Filter
Assembly making sure that the hose to the Pump As-
sembly is on the output of the Coolant Filter Assembly
(left side as viewed from the side of unit).
D. In-Line Filter Assembly Replacement
The In-Line Filter Assembly is located inside behind the
right side panel (viewed from the front of the unit).
1. Remove the right side panel from the Power Sup-
ply per paragraph 'A' above.
2. Locate the In-Line Coolant Filter near the center
of the unit.
3. Remove the Coolant Hose connection at the bot-
tom of the In-Line Filter Assembly.
A-02156
Coolant Hose
From
Radiator Assembly
Flow Switch
Assembly
In-line Coolant
Filter Assembly
Figure 5-8 In-Line Filter Replacement
4. Disconnect the Flow Switch Assembly at the top of the
In-Line filter Assembly.
5. Clean the old thread sealer from the threads of the hoses
and the fittings.
6. Apply a thin coating of liquid teflon thread sealer to
the threads of the fittings.
7. Reconnect the Coolant Hose coming from the Radiator
Assembly to the bottom of the In-Line Filter Assembly.
8. Reconnect the top of the In-Line Filter Assembly to the
Flow Switch Assembly.