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Page 218
REPAIR INSTRUCTIONS
223
Figure 223 — Sealing Oil Outlet
3. If a leak is detected in the bundle after a
pressure check of the oil cooler, replace the
bundle.
ASSEMBLY
Refer to Figure 221.
Lubricate and install O-ring (3) in the groove at
the coolant outlet end of the oil cooler housing
(24).
1. Apply Permatex
®
gasket sealer on the
coolant inlet flange before installing the
gasket (23).
2. Install the gasket (23) on the coolant inlet
end of the housing (24).
3. Apply Permatex
®
gasket sealer on top of the
gasket.
4. Install the bundle (22). If necessary, tap the
bundle with a soft-faced hammer to seat the
bundle past the O-ring (3).
The alignment notch in the bundle end flange
must be positioned at the top for proper
installation.
5. Apply Permatex
®
gasket sealer on the
bundle end.
6. Place the gasket (21) on the bundle end.
7. Apply Permatex
®
gasket sealer on top of the
gasket (21) before installing the inlet cap
(20).
8. Install the coolant inlet end cap and secure
the cap with six capscrews (19).
9. Tighten the coolant inlet end-cap capscrews
to the specified torque, 20 lb-ft (27 N•m),
using torque wrench J 24405, or equivalent.
10. Apply Permatex
®
sealant to both sides of
the gasket (25) and install the gasket on the
mounting flange (4) of the housing.
11. Install the coolant outlet end cap (2) with six
capscrews (26).
12. Tighten the coolant outlet end-cap
capscrews to the specified torque, 20 lb-ft
(27 N•m), using torque wrench J 24406, or
equivalent.
Water Pump Reconditioning
[215 SW]
The water pump is not a field-rebuildable unit. If a
pump failure occurs, exchange it for a new or
remanufactured unit available through the MACK
Parts System.
1. Housing
2. Plate
3. Capscrews
5_106_00.bk Page 218 Friday, August 4, 2000 11:17 AM
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