NOTES (CONTUNUED) - LO-9-2320-283-120017

LO 9-2320-283-12

NOTES (CONTINUED)

(2) Run the engine for at least one minute at 1, 000

(d) Transmission Breather - The presence of dust

- 1, 200 rpm's to clear the system of air.

and dirt will determine the frequency at which the

breather requires cleaning.

CAUTION: Do not overfill the transmission.

CAUTION: NEVER MIX OIL GRADES OR TYPES.

Overfilling can cause aeration of the oil (milky

If fluid level is low, bring to proper level with

appearance).

If overfilling occurs, drain oil as

same oil grade or type. Mixing of oil grade or

required to bring it to the proper level.

type will cause damage to internal transmission

(3) Hot Oil Check (HOT RUN band). Be sure the

components. If changing oil grade or type, drain

temperature of the transmission oil has reached

and flush completely before refilling.

1200F or above. With the engine idling and the

transmission in NEUTRAL, remove the dipstick from

(e) OE/HDO-10 or OEA (Arctic Grade) is acceptable

the oil filler tube and check the oil level. If the oil

for use, but Dexron ATF is preferred.

level registers in the HOT RUN band, the quantity of

oil in the transmission is safe for operating the

12. HUB BEARINGS.

vehicle. If it registers on or below the bottom line of

the HOT RUN band, add the required amount of oil

CAUTION: If maintenance or new hub bearings

necessary to bring the oil level to the middle of the

are required in either the forward-rear axle or

HOT RUN band (Approximately one quart of oil is

rear-rear axle, it will be necessary to tilt each

required to move oil level from the bottom line of the

side of the rear axles to a-sure ti it adequate gear

HOT RUN band to the middle of the HOT RUN

lube is supplied to the individual hub bearings

band).

after installation.

(4) Cold Oil Check (COLD RUN band). Run the

The following fill procedure is recommended:

engine for one minute at 1, 000 rpm to charge the

system. With the transmission oil temperature gage

(a) Fill forward-rear axle and rear-rear axle with

reading below 1200F, and the engine idling with the

proper gear lube and replace filler plugs (See note

transmission in NEUTRAL, remove the dipstick from

7c and view G and M).

the oil filler tube and check the oil level. If the oil

level registers in the COLD RUN band, the quantity

(b) Raise left side of rear axles approximately 4

of oil in the transmission is safe for operating the

inches above the ground. Maintain this position for

vehicle. If it registers on or below the bottom line of

two minutes to allow gear lube to flow into hub

the COLD RUN band, add the required amount of oil

bearings at the opposite or right side (See view R).

necessary to bring the oil level to the middle of the

COLD RUN band (Approximately one quart of oil is

required to move the oil level from the bottom line of

side (See view R).

the COLD run band to the middle of the COLD RUN

band).

(d) With vehicle level again, add additional gear lube

through the differential cover filler hole. The forward-

Internal Oil Filter - The transmission internal oil filter

rear axle and the rear-rear axle should require two

should be changed every 24, 000 miles or 24

pints each.

months, whichever occurs first.

13. PINTLE HOOK.

Lubricate all fittings with GAA and the cotter

TA 236743

CARD 17 of 19