Page 364 - Reciprocating Compressors Operation Maintenance

Preventive Maintenance for Reciprocating Compressors 349

Stage: 1st Date:
Drawing: Inspected by:

3 HE A B C CE

Cylinder Bore Diameters
Position A B C Drawing size
Vertical 6-1 2 1 5.250 + 2; -0
Horizontal 3-9 1 5.250 + 2; -0
Bore Condition
Measured Limit
Oversized .035"
Out of Round .012"
Taper .006"

FIGURE 6-2. Cylinder inspection form.

Compressor-Piston Inspection Form
Stage: 3rd Date:
Drawing: A , o oB, n C C Inspected by:
e. o. 4 b b

Head End t f Crank End

Piston Diameters
Position A B C Drawing Size Limit
Vertical 6-12
5.49275.493" 5.482"
Horizontal 3-9
E F
Rod Bore 2,000"/2.001" 2.006"
Counterbore 3/4" x 3-1/11 6 ...
Piston Ring Grooves
Drawing Size Limit
Depth .22657.231"
Width .2507,2505" .255"
FIGURE 6-3. Piston inspection form.