N14 Base Engine Troubleshooting and Repair Manual – 001-046   Piston Cooling Nozzle

Remove the lubricating oil filter. Refer to Procedure

007-013-002.

Remove the starting motor (if required). Refer to Procedure

013-020-002.

Remove the alternator and the lubricating oil fill tube. Refer to Procedures

013-001-002 and

007-010-002, respectively.

NOTE: Some construction and industrial engines have the starting motor mounted on the right side of the engine.

Remove the piston cooling nozzles.

Remove and discard the o-rings.

Clean the piston cooling nozzles with solvent, and dry with compressed air.

Blow out the oil passages with compressed air.

Visually inspect the piston cooling nozzles for cracks or damage.

Visually inspect the screws for damaged or mutilated threads.

Replace any parts that are damaged.

Use vegetable oil to lubricate the new o-rings. Do

not
soak the new o-rings in engine oil.

Install the o-rings into the groove of the piston cooling nozzle.

Install the nozzles into the cylinder block.

NOTE: Make sure the oil passage opening in the piston cooling nozzle is pointing up toward the piston.

CAUTION  Do not use the capscrew to pull the nozzle into the cylinder block. Nozzles and o-ring damage or external oil leaks can result.

Install the capscrews as follows:

• Tighten the Nyloc capscrews.

Install the starting motor (if removed). Refer to Procedure

013-020-026.

Fill and install the lubricating oil filter. Refer to Procedure

007-013-026.

Operate the engine until it reaches a temperature of 82°C [180°F], and check for oil leaks.