4-17
IMPORTANT
DRAIN ING THE AIR SYS TEM WILL AL LOW THE
TRAILER TO ROLL IF THE WHEELS ARE NOT
PROP ERLY CHOCKED.
c.
Mark the cham
ber for proper re
as
sem
bly
align
ment, loosen the clamp bands around
cham ber, and re move the cham ber head.
d.
Re move and re place dia phragm. Check all
fas ten ers for de fects. If de fects are found, the
de fec tive part must be re placed.
e.
Re place the cham ber head and tighten the
clamp band.
WARN ING
RE
PAIR OR RE
PLACE
MENT OF THE
RE
LAY/EMER
GENCY VALVE IS A
COM PLEX OP ERA TION AND SHOULD
BE PER FORMED BY TRAINED SERV -
ICE PER
SON
NEL. IF THE RE
LAY OR
EMER GENCY VALVE NEEDS RE PAIR,
CON
TACT A LAN
DOLL AUTHOR
IZED
SERV ICE CEN TER FOR SERV IC ING.
f.
Re
charge the semi
trailer air sys
tem and
check the air cham ber for leaks by ap ply ing
soap suds to the cham ber. A grow ing bub ble
or suds be
ing blown away in
di
cates a leak.
Lo cate the source of the leak and re pair be -
fore us ing the semi trailer.
4-8.4
Tan dem Re lay Valve Main te nance
Every 3600 op er at ing hours, 100,000 miles, or
yearly, the Re lay Emer gency Valve should be dis -
as
sem
bled, cleaned, and lu
bri
cated by a trained
tech ni cian.
WARN ING
RE
PAIR OR RE
PLACE
MENT OF THE
RE LAY/EMER GENCY VALVE IS A COM -
PLEX OP
ERA
TION AND SHOULD BE
PER
FORMED BY TRAINED SERV
ICE
PER SON NEL. CON TACT A LAN DOLL
AUTHOR IZED SERV ICE CEN TER FOR
SERV IC ING.
4-8.5
Brake As sem bly Main te nance
The brake as sem blies should be in spected and
ad
justed every 2,000 miles or monthly. Ex
am
ine
the brake lin ings visu ally to lo cate the lin ing show -
ing the great
est amount of wear. The wheel and
drum should be re moved and the lin ings re placed
if the thin
nest por
tion of the lin
ing is 3/8 in. (9.5
mm) or less. Do not al low the lin ings to wear thin
enough that the lin ing rivet con tacts the drum.
(See
Fig ure 4-9)
. Lu bri cate brake as sem bly per
Fig ure
4-1, Lu bri ca tion Points
and
Ta ble 4-2, Main
te
-
nance Sched ule.
WARN ING
DO NOT AL
LOW GREASE TO CON
-
T A C T B R A K E L I N
I N G S A S T H I S
COULD RE SULT IN RE DUCED BRAK -
ING PER FORM ANCE.
FIG URE 4-9 BRAKE LIN ING WEAR
Summary of Contents for 318C
Page 3: ...MODELS 318C BOEING TRAILER OPERATOR S MANUAL PURCHASED FROM DATE ADDRESS PHONE NO SERIAL NO i...
Page 8: ......
Page 12: ......
Page 32: ...3 20 FIGURE 3 6 STEPS FOR LOADING AND UNLOADING...
Page 36: ...3 24 FIGURE 3 8 REAR IMPACT GUARD AND ANTILOCK BRAKE SYSTEM...
Page 52: ...4 14 FIGURE 4 6 CHECKING AXLE ALIGNMENT FIGURE 4 7 EXAMPLES OF CAMBER...
Page 56: ...4 18 FIGURE 4 10 AXLE AND BRAKE ASSEMBLY...
Page 64: ...4 26 FIGURE 4 16 MOUNTING TIRES AND WHEELS FIGURE 4 17 STUD TIGHTENING SEQUENCE...
Page 76: ...5 10 NOTES...
