Maintenance Manual

For an example of a Maintenance Manual page, see Fig. 1.
f020166
CB
FDE
41−01 Driveline Inspection
1. P ar k the v ehicle on a le v el surf ace , apply the
par king br akes , and choc k the tires .
CA UTION
D u et o t h eext r e m e l o a do cc u rr i ng at h i gh − s p ee d
r o tat i on , a l oo se o r b r o ke n ca p sc r ew at a n y po i n t
i n t h e d r i ve li n ew ill weake n t h e d r i ve li n ec onn ec −
t i on , w h i c h c ou l d eve n t u a ll y r es u l t i n se r i ou sve −
h i c l e d a m a g e . T i gh te nb ea r i ng − ca p ca p sc r ews o r
y o ke − st r a p ca p sc r ews t o s p ec i f e d t o r qu e , b e i ng
ca r ef u l t ono t o ve r t i gh te n .
2. F or U−joints with bear ing caps , tighten bear ing−
cap capscre ws 43 lbf·ft (49 N·m). See . Fig. 1
F or Ar vin Mer itor RPL ser ies U−joints , tighten
bear ing−cap capscre ws 125 lbf·ft (169 N·m). See
Fig.
2 .
F or U−joints with y ok e str aps , tighten y ok e−strap
capscre ws 125 lbf·ft (169 N·m). See . Fig. 3
3. Chec k the dr iv eline y okes f or cr ac ks , and chec k
end−y okes f or looseness . See . Fig. 3
Replace cr ac k ed y okes .
If an y end−y ok e can be mo v ed in or out on its
shaft, or can be roc k ed on its shaft, disconnect
the dr iv eshaft and U−joint from the y ok e , then
chec k the dr iv e component’ s shaft seal f or leak−
age or other visib le damage that ma y ha v e been
caused b y the loose y ok e . Replace the seal if
needed, then tighten the y ok e nut. Ref er to
Gr oup 41 of the Casc adia
TM
W or ks hop Man ual
f or torque specifications .If the y ok e is still loose
after tightening the y ok enut, replace the end−
y ok e and y ok e nut.
Replace the pre v ailing torque loc kn ut (end−y ok e
n
ut) if it w as remo v ed f or y ok e replacement, seal
replacement, or an y other reason.
4.
Chec k U−joint assemb lies f or wear b y mo ving the
dr iv eshaft up and do wn, and from side to side . If
an
y mo v ement of the U−joint cross in the bear−
ings can be f elt or seen, replace the U−joint as−
semb ly .
5. Chec kif the midship bear ing and mounting are
loose or ha v e deter ior ated, b y attempting to
mo v e the dr iv eshaft up and do wn, and from side
to side . If the bear ing is loose on its shaft, or
r attles , replace it. If the bear ing mount is loose
on the fr ame , tighten the mounting f asteners to
the proper torque v alue . See of the Gr oup 41
Casc adia
Y
W or ks hop Man ual f or torque specif−
cations . Replace the midship bear ing assemb ly if
the rub ber cushion is deter ior ated or oil−soak ed.
6. Chec k slip joints f or spline wear b y mo ving the
slee v e−yoke and splined shaft bac k and f or th.
See . If the slip joint can be twisted in a Fig. 4
cloc kwise , or countercloc kwise mo v ement
f410155a
04/13/98
1
1
1
2
M
E
R
I
T
O
R
Capscre w
2. Adhesiv e Band
Fig. 1, Ar vin Meritor U−Joint F astener s for Bearing
Caps
12/09/97 f410182
Fig. 2, Ar vin Meritor RPL Series U−Joint
41
Cascadia
TM
Maintenance Manual, July 2007 41/1
Driveline
1. Self−Locking
A
06/11/2007
A. Maintenance Operation Number consists of the Group Number followed by the Sequence Number
B. Group Title
C. Group Number
D. Vehicle Name
E. Release Date
F. Group Number/Page Number
Fig. 1, Example of a Maintenance Manual Page
Introduction
Page Description
New Cascadia Maintenance Manual, January 2017 I–3