TM 9-2320-273-20
PROPELLER SHAFTS AND UNIVERSAL JOINTS.
Replace as necessary.
8-11. PROPELLER SHAFTS AND UNIVERSAL JOINTS MAINTENANCE (Continued).
LOCATION/lTEM
ACTION
REMARKS
B. CLEANING AND LUBRICATION (Continued).
STYLE B
12. Universal joint (9), yoke
a. Clean with dry cleaning
(15), grease fittings (5),
solvent being careful not
(10), and (14).
to contact seals. Refer to
8-11C for inspection
prior to lubrication.
b. Screw grease fittings into
yokes and joints and apply
grease liberally through all
grease fittings (5), (10),
and (14) (refer LO 9-2320-
273-12) and on all mating
surfaces.
C. INSPECTION OF UNIVERSALS.
STYLE A
13. Universal joint yokes (6),
Inspect for:
crosses (4) and bearing
a. Excess wear.
cups (3).
b. Damaged grease seals.
14. Propeller shaft (7).
Slide shaft sections and in-
Replace as necessary.
spect for excess spline wear
and binding.
15. Grease fitting (5).
Inspect for:
Replace as necessary.
a. Damaged threads.
b. Damaged tip.
STYLE B
16. Universal joint (9).
Inspect for damaged grease
Replace as necessary.
seals.
17. Grease fittings (10) and (14).
Inspect for damaged threads
Replace as necessary.
or tip.
Style A bearing cups (3) and cross (4)
should be replaced as a set. Do not use an
old cross with new cups or old cups with
a new cross. Style B universal joints must
be replaced as an assembly if excessive wear
or grease leakage is evident. Repair parts
are available only in kits.
8-18
