TB-9-2300-378-14

M48 & M60 SERIES VEHICLES

TECHNICAL BULLETIN; AIR INDUCTION SYSTEM MAINTENANCE

SEPTEMBER 1985

TB-9-2300-378-14 - Page 111 of 296

TB 9-2300-378-14

4-13. Air Cleaner Housing Vertical Guide Rework.

a.

General.

Misalignment between the air cleaner housing vertical guide bar and filter element

locating pin causes an improper filter seal.

To correct this problem the following

procedure must be performed.

b. Procedure.

(1) Tools and Equipment Required:

(a)

(b)

(c)

(d)

(e)

(f)

(g)

(h)

(i)

(j)

(k)

(l)

Primer - NSN 8010-00-161-7425, Spec-TT-P636

Paint - NSN 8010-00-111-7937, MIL-E-52798

Air-Vat Vacuum Tool - NSN 7910-00-807-3704

Hand Grinder - NSN-5310-00-889-8979

Grinding Wheel -

2" x 1/2", 18500 RPM min for 3/8" arbor.

Cut-off Wheel - 2" x 1/8", 18500 RPM min for 3/8" arbor.

Scribe

Scale or Ruler

Masking Tape

Cardboard

Rags

Approved Eye Protection

(2) Fabricate template (fig. 4-27).

NOTE

Template can be fabricated to simplify measurement and

scribing of guide bar.

Rework procedure can be accomplished without template by

measuring directly on guide bar.

(3) Remove air cleaner filter element (TM-20).

NOTE

If template was fabricated, go to step (4). If template was

not fabricated, go to step (5).

(4) Position template on air cleaner housing and scribe left and right vertical guide

bars as indicated (view A). Go to step (6).

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