Figure 2-48. Removing filter base plate gasket

C3, TM 9-2320-211-20

(4) Dip filter mesh in a drycleaning solvent or

(b) Unscrew the bolts securing the housings to

mineral spirits paint thinner, and rapidly move filter up

filter base plate (fig. 2-47) using special wrench (4, fig.

and down several times.

2-4). Remove housings from base plate.

(c) Lift gaskets off base plate (fig. 2-48) and

(5) Dry out filter.

discard them.

(6) Check entire crankcase breather assembly for

cracks and damaged threads. Also inspect gasket surfaces

for nicks and burs, and wipe these surfaces clean.

(7) Install oil cup and filter as described in c(3) and

(4) below.

b. Removal.

(1) Remove cap (fig. 2-49) from filter. Unscrew four

screws securing filter to breather cup and remove filter.

Slip rubber gasket off filter.

Figure 2-47. Removing filter housing.

Figure 2-49. Removing crankcase breather cap and filter.

(2) Unscrew bolt (fig. 2-50) securing cup to bracket

and remove cup. Pry gasket off bottom of cup.

Figure 2-48. Removing filter base plate gasket.

(2) Installation.

(a) Position new gaskets on base plate as shown in

(b) Secure housings to base plate with bolts (fig.

2-47). Use special wrench (4, fig. 2-4) to tighten bolts.

(c) Follow procedures described in a(2) above to

install filter element.

Figure 2-50. Removing crankcase breather cup.

2-47. Crankcase Breather.

a. Maintenance.

(3) Remove two nuts and lockwashers securing

(1) Remove filter assembly as described in b(1) and

crankcase tube bracket `to oil cooler studs (fig. 2-5l).

(2) below.

(2) Pour old oil from cup. Clean inside of cup.

(3) Fill oil cup to correct level with new oil.