1996 ACURA RL KA9 Service Repair Manual

Compressor
Clutch Inspectio n
Check th e plate d part s o f th e pressur e plat e fo r colo r
changes , peelin g o r othe r damage . I f ther e i s dam -
age , replac e th e clutc h set .
Chec k th e pulle y bearin g pla y an d dra g b y rotatin g
th e pulle y b y hand . Replac e th e clutc h se t wit h a ne w
on e if i t i s nois y o r ha s excessiv e play/drag .
PULLEY
Measur e th e clearanc e betwee n th e pulle y an d th e
pressur e plat e al l th e wa y around . I f th e clearanc e i s
no t withi n specifie d limits , th e pressur e plat e mus t b e
remove d an d shim s adde d o r remove d a s required ,
followin g th e procedur e o n pag e 22-83 .
Clearance : 0. 5 ±0.1 5 m m (0.02 0 ± 0.00 6 in )
NOTE : Th e shim s ar e availabl e in thre e thicknesses :
0.1 mm , 0. 3 m m an d 0. 5 mm .
PRESSUR E PLAT EPULLE Y
Check resistanc e o f th e fiel d coil .
Field Coi l Resistance : 3. 4 to 3. 8 a t 6 8 F (20°C )
I f resistanc e i s no t withi n specifications , replac e th e
fiel d coil .
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Clutch Overhau l
1. Remov e th e cente r bol t whil e holdin g th e pressur e
plate .
CENTE R BOL T13.2 N-m(1.3 5 kgf-m , 9.7 6 Ibf-ft )
A/ C CLUTC H HOLDE R
(Commerciall y available )
Robinair: P/N 1020 4Kent-Moore : P/ N J3787 2
2. Remov e th e pressur e plat e an d shim(s) , takin g car e
no t t o los e th e shim(s) .
PRESSUR E PLAT E
SHIM(S )
3. Remov e th e sna p rin g B wit h sna p rin g pliers , the n
remov e th e pulley .
NOTE:
B e carefu l no t t o damag e th e pulle y an d com -
presso r durin g removal/installation .
Once th e sna p rin g B is removed , replac e it wit h
a ne w one .
SNA P RIN G B
Replace .
PULLE Y
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Compressor
Clutch Overhau l (cont'd )
4. Remov e th e scre w fro m th e fiel d coi l groun d termi -
nal . Remov e th e sna p rin g A wit h sna p rin g pliers ,
the n remov e th e fiel d coil .
NOTE :
• B e carefu l no t t o damag e th e fiel d coi l an d com -
presso r durin g removal/installation .
• Onc e th e sna p rin g A is removed , replac e it wit h
a ne w one .
SNA P RIN G AReplace .
FIELD COI L
5. Instal l i n th e revers e orde r o f removal . Mak e not e o f
th e followin g items .
• Instal l th e fiel d coi l wit h th e wir e sid e facin g
dow n (se e above) .
• Clea n th e pulle y an d compresso r slidin g surface s
wit h non-petroleu m solvent .
• Mak e sur e th e sna p ring s ar e full y seate d i n th e
groove .
• Mak e sur e tha t th e pulle y turn s smoothl y afte r
it' s reassembled .
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Compressor
Relief Valv e Replacemen t
1. Remov e th e relie f valv e an d th e O-ring .
NOTE:
• D o no t le t th e compresso r oi l ru n out .
• Mak e sur e tha t n o foreig n matte r enter s th e sys -
tem.
O-RIN GReplace .
RELIEF VALV E13.2 N- m (1.3 5 kgf-m , 9.7 6 Ibf-ft )
2. Clea n th e matin g surfaces .
3 . Replac e th e O-rin g wit h a ne w on e a t th e relie f valve ,
an d appl y a thi n coa t o f refrigeran t oi l befor e installin g
it.
NOTE :
• T o avoi d contamination , d o no t retur n th e oi l t o
th e containe r onc e dispensed , an d neve r mi x i t
wit h othe r refrigeran t oils .
• Immediatel y afte r usin g th e oil , reinstal l th e ca p
o n th e container , an d sea t i t t o avoi d moistur e
absorption .
• D o no t spil l th e refrigeran t oi l o n th e vehicle ; i t
ma y damag e th e paint ; i f th e refrigeran t oi l con -
tact s th e paint , was h i t of f immediately .
4 . Instal l an d tighte n th e relie f valve .
5 . Charg e th e syste m (se e pag e 22-89 ), an d tes t it s
performanc e (se e pag e 22-76 ).
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A/C Compresso r Bel t
Adjustmen t
Deflection Metho d
1 . Appl y a forc e o f 9 8 N (1 0 kgf , 2 2 Ibf) , an d measur e
th e deflectio n betwee n th e A/ C compresso r an d th e
crankshaf t pulley .
A/ C Compresso r Bel t
Use d Belt : 8. 0 - 11. 0 m m (0.3 1 - 0.4 3 in )
Ne w Belt : 5. 5 - 6. 0 m m (0.2 2 - 0.2 4 in )
NOTE :
If ther e ar e crack s o r an y damag e eviden t o n th e
belt , replac e it wit h a ne w one .
"Use d belt " mean s a bel t whic h ha s bee n use d
fo r 5 minute s o r more .
"Ne w belt " mean s a bel t whic h ha s bee n use d
fo r les s tha n 5 minutes .
2 . Loose n th e cente r nu t o f th e idle r pulley .
3 . Tur n th e adjustin g bol t t o ge t prope r bel t tension ,
the n retighte n th e cente r nut .
4 . Rechec k th e deflectio n o f th e A/ C compresso r belt . Tensio
n Gaug e Metho d
1. Attac h th e specia l too l t o th e A/ C compresso r bel t
a s show n below , an d measur e th e tensio n of the
belt .
A/ C Compresso r Bel t
Use d Belt : 44 0 - 64 0 N (4 5 - 6 5 kgf , 99-14 3 Ibf )
Ne w Belt : 93 0 - 1,08 0 N (9 5 - 11 0 kgf , 20 9 - 24 3 Ibf )
NOTE :
If ther e ar e crack s o r an y damag e eviden t o n th e
belt , replac e it wit h a ne w one .
Follo w th e manufacturer' s instruction s fo r th e bel t
tensio n gauge .
"Use d belt " mean s a bel t whic h ha s bee n use d
fo r 5 minute s o r more .
"Ne w belt " mean s a bel t whic h ha s bee n use d
fo r les s tha n 5 minutes .
BELT TENSIO N GAUG E07JGG-00101 0 A
2. Loose n th e cente r nu t o f th e idle r pulley .
3 . Tur n th e adjustin g bol t t o ge t prope r bel t tension ,
the n retighte n th e cente r nut .
4 . Rechec k th e tensio n o f th e A/ C compresso r belt .
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