Boutwell liner visual inspection 11-2-10.pdf

INSPECTION / DEFICIENCY CONDITION REPORT

Report Number: (7784-003) Date Submitted: Oct. 12, 2010

Job Name: USCGC BOUTWELL Project NO: 9923853

Ser. #: 38D889005TDMG12RM Contract #: 939795

Model: 38 D 8 1/8

Component:

# 1 Main Propulsion Diesel Engine

STATEMENT OF CONDITION / PROBLEM / REQUIRED REPORT

In response to an e-mail request by LT James R. Miller, USCG dated October 01, 2010. Inspected upper crank line and cylinder liners of # 1 Main Diesel engine onboard USCGC Boutwell moored San

Diego, CA. All cylinder liners were visually and dimensionally inspected.

# 10 Cylinder liner - Pre-mature wear of liner consisted of ½” to 1/16” wide gouging from top of liner to intake port.

# 9 Cylinder liner – Observed a crack at the top right side of liner.

#1, 2, 8, 7, and 6 Cylinder liners – Pre- mature wear of liner consist 1/16” to 1/8”wide gouging from top of liner to intake port.

# 12 cylinder liner-Pre-mature wear of liner 3/8” to 1/16” wide gouging from top of liner to intake port.

# 11 cylinder liner-Pre-mature wear 3/8” to 1/16” wide gouging from top of liner to intake port.

Recommendations:

Base on dimensional and visual inspection, it is recommended to repair or replace the following parts:

1. Horizontal joint Inspection report - Bed Plate type form- 48 - location C from distance 8 to 14 and location D distance 5 to 14 is out of specification. Loosen foundation bolts on right side, take another set of reading and align engine block as necessary. Inspect lower main bearings for signs of wear.

2. Bore center line deviation - bed plate type form 45 - Saddle # 4, 5, 7, 8, 9, 10, 11, and 12 weld build up and machine to center the bore.

3. Replace 14 bearing caps.

4. Replace # 1, 2, 6, 7, 8, 9, 10, 11, 12 cylinder liners.

# 9 cylinder liner (Crack)

# 10 Cylinder liner

# 8 Cylinder liner

# 7 cylinder liner

# 5 cylinder liner- No sign of abnormal wear.

# 11 cylinder liner