Operation - Carrier SUPRA 850Mt Operation And Service Manual

3.1 3.1 PR PRE-TR E-TRIP IP INS INSPEC PECTION
a. a. Befor Before Star e Starting Engine ting Engine
1. 1. Dra Drain in wa water ter an and d se sedi dime ment nt fro
fill tank with diesel fuel. fill tank with diesel fuel.
2. 2. Check radi Check radiator coolan ator coolant level. (Add pre-mixed 50/50
permanent antifreeze-water as required.) permanent antifreeze-water as required.)
USE MONOPROPYLENE GLYCOL ONLY. USE MONOPROPYLENE GLYCOL ONLY.
3 3 . . C C h h e e c c k k e e v v a a p p o o ra rato tor r
cleanliness. cleanliness.
4. 4. Check e Check engine ngine lubric lubrication ation and fue
connections for leaks. (Tighten connections and/or connections for leaks. (Tighten connections and/or
replace gaskets.) replace gaskets.)
5. Check ck co 5. Che comp mpre resso ssor r an
position (backseat position). position (backseat position).
6. 6. Che Check ck uni unit t com compar partmen tment t and remov
material. material.
7. 7. Check en Check engine o gine oil level il level. .
8. 8. Check V Check V-belts for prop -belts for proper tension
Adjust belt or replac Adjust belt or replace. e.
9. 9. Check battery termina Check battery terminals and electrical connec
for cleanliness and tightness. Clean and coat with a for cleanliness and tightness. Clean and coat with a
mineral type grease (such as Vaseline). mineral type grease (such as Vaseline).
10.Ch 10 .Chec eck k en engi gine ne ai air r cl clea
condition of air cleaner hose. condition of air cleaner hose.
11.Check defrost drain pan hoses. (Should be clear of 11.Check defrost drain pan hoses. (Should be clear of
debris.) debris.)
12.Check defrost air switch tubes and connections for 12.Check defrost air switch tubes and connections for
breaks or air leaks. breaks or air leaks.
b. b. After sta After starting Refri rting Refrigerat geration Unit
1. 1. Check wa Check water tempera ter temperature. (Should b
150 to 180 150 to 180 F F .) .)
_ _
2. 2. Check e Check engine ngine speed speed. .
3. 3. Listen for abn Listen for abnormal no ormal noises. (Refer to section 5.3.7
If If pre presen sent, t, con control trol com
manometer. manometer.
4. 4. Check comp Check compressor oil lev ressor oil level (Refer to section 4.10).
5. 5. Observe an Observe any signs of lube or fuel oi y signs of lube or fuel oil leaks.
6. 6. Check rad Check radiator hos iator hoses for leaks es for leaks. .
TION
from m fue fuel l tan tank k su sump mp. . Th
t level. (Add pre-mixed 50/50
a a n n d d c c o o n n d d e e n n s s e e r r c c o o i i l l
and fuel filter l filter, , oil li oil lines, nes, and
and d rec recei eive ver r se servi rvice ce va
and remove e any forei any foreign
er tension, fraying or cracks. , fraying or cracks.
ls and electrical connections
eane ner r for for cl clea eanl nlin ines ess s an
ion Unit
ture. (Should be 65 to 82 e 65 to 82
ises. (Refer to section 5.3.7) )
compre presso ssor r pre pressu ssures res with a
el (Refer to section 4.10).
l leaks.
SECTION 3 SECTION 3

OPERATION

OPERATION
7. 7. Check refrig Check refrigerant leve
8. 8. Feel filter-dr Feel filter-drier
drier indicates restriction. drier indicates restriction.
Then en 9. 9. Start micropr Start microprocesso
3.2 3.2 ST STARTIN ARTING G AND
- - - - ENGINE ENGINE DRIVE
fo for r
and
Under no circum Under no
or any other starting aids be used to or any other starting aids be used to
valv lve e
start engine. start engine.
gn
Whenev Whe never er star
star starter ter cra cranki nking
always starts and operates in high speed, unloaded always starts and operates in high speed, unloaded
cool ol fo for r th the e fi firs rst t 15 co
mic microp roproc rocess essor or wil
provid pro viding ing the
(79 (79 F) F). . In In o o rd rde e r r to to p p r r o o l l o o n n g g e e n n g g i i n n e e l l i i fe fe, , th the e
_ _
tions
microprocessor will prevent operation in high speed microprocessor will prevent operation in high speed
until coolant temperature reaches this temperature. until coolant temperature reaches this temperature.
3. 3.2. 2.1 1 Star arti ting St
and d
C = C =
_ _
1. 1. Pla Place th ce the e Run-Stop Switch
with a the Control Box. the Control Box.
2. 2. Pl Plac ace the e the On-Off Switch
p p o o s s i i ti tio o n n
microprocessor will perform a self-test (all display microprocessor will perform a self-test (all display
mes messag sages es wil
setpoi setpoint nt and box
3 3 - - 1 1
erant level ( l ( Refer to T Refer to Table 2-1 ).
ier. Excessive tempe . Excessive temperature drop acros
ocessor Pre-trip Inspec r Pre-trip Inspection.
AND STOP STOPPING PING INSTR
DRIVE
WARNING WARNING
circumstance stances s should ether should ether
NOTE NOTE
startin ting g the the eng engine ine, , in in ord
ng and and eng engineloads ineloads, , the the mic
15 se seco cond nds. s. Af Afte ter r fi firs rst t 15
will l all allow ow the unit the unit to to ope
the coo coolan lant t temp tempera erature is ture is abo
ng Ins Instr truct uction ions s
3. 3.
1. 1.
Run-Stop Switch in the RUN position on in the RUN position on
On-Off Switch (Cab Command) to ON (Cab Command) to ON
a a n n d d p p r r e e s s s s th the e Ro Roa a d d
will l app appear ear in in dis displa play y win
and box tempera temperature will ture will be displayed
6 6 2 2 - - - - 6 6 1 1 1 1 X X X X - - - - 2 2 0 0 ( ( 0 0 3 3 / / 0 0 4 4 ) )
able 2-1 ).
rature drop across s
tion.
INSTRUCTIO UCTIONS NS
order er to to red reduce uce
microp roproc rocess essor or
15 se seco cond nds s th the e
operate rate nor normal mally ly, ,
above ve 26 26 C C
_ _
2. 2.
K K e e y y . . T T h h e e
window dow). ). The Then n
be displayed. .