Accessories For Use W!Th Sears Air Compressors; General Information; Description Of Operation - Craftsman 919.15402 Owner's Manual

GENERAL
Youhave purchasedan aircompressorunitoonsisilngof
a 1 _'lir',der, sing_staga air compressorpump, an air
tank,air hose,wheels, handle, and associatedcontrols
Youwillalso lind an air chuck.
T'-_sair compressor requires no oil, Now you can enjoy
all the benefffs of having an air compressorwltl_out e ver
havingto purchase,add or change oil
INFORMATION
Your air compressorcan be used for operating paint
spray guns, air loois, caul_ng guns, grease guns, air
bruohes, sandbtaBtens, or inflating tires and plasticto_p_,
sprayingweed klllers, insecticides,etc.
_p_ra_e air tran:dormerswhichcombine the functions
of air regulptionand/ofmoistureand dirtremovalshould
be usedwhere applicable.
DESCRIPTION OF OPERATION
5
Air Compressor Pump: To compress air, the piston
moves up and downIn the cyllt_te_o O n the downstroke,
aimsdrawnin throughtheair intakevalves,The exhaust
valvererr_lnsctose_t. On the upstroke ofthepiston,a{ris
compressed. The intakevalves €_o=e_nd compressed
air is for_edout throughthe e_haus!valve, throughthe
outlet tube,lhmugh the checkvalve and into the air tank,
Working air is not _vallable untl_the compressorhas
raisedthe airtankp_essure abovethatrequired at the air
_utlet.
Check Valve;Wh_ file aircompressorIs operating, I._e
chock v_Jvo (s "open",allowing compressed air to enter
the aft tank. Whenthe air compressorreaches "cut-,out"
pre_eure, t he checkvalve "=loses", allowing airpressure
tOn_m=tnInside the air tank,
Preaaure Releue Valve; The pressure release valve
located on theside ofthepressureswitch, is designedto
automatically release compr_8Od air from the com-
_essor ha_d and the outlet; t ube whenthe _ir compres-
sot reaches "cut-out" pm_;_ or is _hut off, If the air Is
notreleased, the motor willtry to=t¢,rt,but wigbe unable
t_. The pressure rel_=sevalveallows the motortor_._r t
freely.When the m_tor stops running,air will be heard
escapingfrom thevalvefor a few seconds. Noair should
be heardleaking when the motor is running,
Pressure Switch: The presSure swirchautomatically
start_themotorwhen the sir tl_,rtk p ressuredropsbeiOW
D_JU_C_K
the f_otoryeel "¢ut,-in"pressure,tt _ops the motor when
the air tank pressure reaches the factory set =cut-out"
pmssL_e.
Safety Valve: If thepressure=witch does notshutoffthe
air compressor at itscut-outpressuresel_[ng,the safety
valvewillprotectagainsthigh pressureby'"popping out _'
at iLspre-set p_ss_re.
Regulator: The air pressure coming fromthe air tan_ is
controlled by the regulator knob, Turn the knob
clcckwlse to incn_e pressureand counter.clockwise
to decrease pressure.To _rvoldminorre_djuslmentafter
ma_ng a change in pressures_tttng, alwaysapproach
the desired pressure from a i_wer pressure. When
reducing1tOm a h_gher to a lowersetting,flintred_ce lo
some pressuretess th_n that desired, then bringup to
the desired pressure,.De pendingon the air requirements
of e_,ch particular accessory, the out(at regulated air
pressUr_ may h_v_ to be adjusted willie oper_ting
_ccessory,
Outlet Prauurl Gauge: The outlet pressuregauge
indicates the air pressure a'_aJlab_e _t the ou_letside of
the taguiatOr, ThL_ pressureis controlledby the regulator
and is atways less or eq_Jal t o the tank pressure.See
"Operating Procedures,,"
l_nk Pmuure Gauge: The tank pressureg_uge indi-
o_tes the refer'tinair pressure in the t=nk,