TM-9-2350-311-10

HOWITZER, MEDIUM, SELF-PROPELLED, 155MM; M109A2, M109A3, M109A4 AND M109A5

TECHNICAL MANUAL; OPERATOR’S MANUAL

NOVEMBER 1994

TM-9-2350-311-10 - Page 729 of 775

TM 9-2350-311-10

G-3

LUBRICATION INSTRUCTIONS - CONTINUED

21. CHECK BALLS AND METERING HOLES (C) (11578385)

Even if howitzer hasn’t been fired, clean vent seats (47), ten check balls (46), and metering holes (48) (item 14, Appx G).

21.1. CHECK BALLS AND METERING HOLES (C) (11580776)

Even if howitzer hasn’t been fired, clean 10 evacuator orifices (48.12) nine check balls (48.11), and metering holes

(48.14) (item 14, Appx G).

22. FINAL DRIVE ASSEMBLY (C)

Remove level plug (59). Oil should be level with bottom of opening. If not, add OE/HDO (Table G-1) until oil flows from

level plug opening. Clean and reinstall level plug.

Change 2

G-23