1998/03/09 Caterpillar

789 (9ZC),
789B (7EK),
793 (3SJ),
793B (1HL),
793C (4AR) Off-Highway Trucks

Reference: Guideline For Reusable Parts, SEBF8194-01, "Specifications for Rear Suspension Cylinder Components Used in Off-Highway Trucks"

Use the following procedure for checking the inside diameter of the 106-1804 Cylinder Assembly for 106-3722 and 106-1801 Suspension Cylinder Groups (Eng. Chgs. 01-Up).

NOTE: An engineering change number (Eng. Chg.) indicates effectivity of this improvement or adaptability to previous cylinder groups. The cylinder group part number, engineering change number, and date of manufacture are found on the cylinder group tag.

106-1804 Cylinder Assembly.

(A) First measurement.

(B) Second measurement.

Procedure

1. Measure inside diameter in one place first (A).

2. Keep first reading (A), rotate the gauge 90 degrees, and make second measurement (B).

3. Add (A) and (B) dimensions and divide by two for the mean dimension. The mean dimension should be 362.00 ± 0.20 mm (14.252 ± .008 in).