LOCK-NUT 2F9077 - Caterpillar

Removal Procedure
Keep all parts clean from contaminants.Contaminants may cause rapid wear and shortened component life.
Shut off the air supply at the air reservoir. Drain the pressurized air from the air starting system. The sudden release of pressurized air can cause personal injury.
Illustration 1 g01283637
Turn OFF the air supply at the air reservoir. Ensure that the air pressure is drained from the starting air system.
Remove clamp (4).
Disconnect hose assemblies (3).
Remove bolts (1) that hold the air tube assemblies and the gaskets to the air starting motors. Check the gaskets for damage. If necessary, replace the gaskets.
Remove air system lubricator (2). Place air system lubricator (2) on a suitable work bench.
Remove the fittings as a unit from both sides of the air system lubricator. Installation Procedure
Table 1
Required Tools
Tool Part Number Part Description Qty
A 6V-6640 Sealant -
Keep all parts clean from contaminants.Contaminants may cause rapid wear and shortened component life.
Illustration 2 g01283637Note: Fill air system lubricator (2) with diesel fuel before installation.Note: Apply Tooling (A) to the fittings before installation.
Install the fittings as a unit to both sides of air system lubricator (2).
Install air system lubricator (2).
Check the gaskets for damage. If necessary, replace the gaskets. Install bolts (1) that hold the air tube assemblies and the gaskets to the air starting motors.
Connect hose assemblies (3).
Install clamp (4).
Turn ON the air supply at the air reservoir.