HALDEX-L31125
HALDEX PURE AIR PLUS L31125 4/96; EXTENDED PURGE KIT (DQ6027); HEAVY DUTY CANISTER KIT (DQ6028)
INSTALLATION INSTRUCTIONS
APRIL 1996
HALDEX-L31125 - Page 6 of 7
OPERATIONAL CHECKS
A. Upon completion of the heavy duty and/or added purge
application, start the engine and allow service reservoir
pressure to increase to
100
psig±
Shut off the engine±
B.
Check for air leaks at the newLy installed devices and fittings²
CorRect any leakage problems²
C±
³estart the engine and alLow the aiR pressure to increase
until compressor unload occurs´
D±
When compressor unload occurs, the dryer purge valve
will open and immediately expel a large volume of aIrµ
followed by a slow fLow of air lasting approximately thirty
to Forty seconds±
¶f the purge time appears to be less than thIrty seconds· a
gauge should be Installed in the 3/8" NPT port on the top
of the auxiliary ReseRvoir so the puRge time can be more
accurateLy measured. ¸ime pressure delay between
120
and
5
psig±
¹f the gauge confiRms a shoRt purge timeº test the aIr dryer
independently with a gauge in the 3/8» NPT port on the
bottom of the aiR dRyer²
During a purge cycle, the purge
volume reservoir should reduce from
120
to
5
psIg in no
less than fifteen seconds±
.
E±
Check and correct any other leaks in the air d¼yer piping
to assuRe that the Pure Air Plus Dryer does not cycle
excessively.
Haldex Commercial Vehicle Systems
North AmeRican Sales DIv±s±o²
HaLdex BRake PRoduCts ³oRpoRaTIo´
10707 N.W± AiroRd
Drive
Kansas
CIty,
MO
64²53-³2²5
PhoNe:
(816) 891-2´7µ
FAx±
¶8·6¸ 88µ-9766
µo¶·¸ ¹MeRICaº SaLes »±VIsIon
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525
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