TM-9-2815-205-24

6V53/6V53T ENGINES, DIESEL WITH CONTAINERS; MODEL 5063-5299, MODEL 5063-5392, MODEL 5063-5393 AND MODEL 5063-539L

TECHNICAL MANUAL; FIELD AND SUSTAINMENT MAINTENANCE

FEBRUARY 2013

TM-9-2815-205-24 - Page 711 of 856

ASSEMBLY - Continued

d.

Using piston ring tool, install thick oil control ring (Figure 11, Item 10) in groove D (Figure 11, Item D)

(upper groove). Position gap in ring 180 degrees from gap in expander (Figure 11, Item 15). Press ring

against gap side of expander to prevent ends of expander from overlapping. Align ring with groove

and release tension on remover and replace.

NOTE

Install fire ring (Figure 11, Item 12) with dark side (with prestress mark) toward top

of dome.

e.

Using piston ring tool and starting from bottom, first install two compression rings (Figure 11, Item 13)

and then install fire ring (Figure 11, Item 12).

f.

Stagger ring gaps around piston a minimum of 90 degrees from each other.

12

18

14

15

15

14

10

D

C

EXPANDER ENDS

AWAY FROM TOP

OF DOME

BOTTOM OIL

CONTROL RINGS

(NOTE: EDGE

OF TOP RING

FACING UP)

TOP OIL

CONTROL

RING

TOP

13

MAINT_381

Figure 11.

Piston Ring Placement.

TM 9-2815-205-24

0095

0095-15