Midland A-1079-F User Manual

A-1000, Rev. 3.2
Page 4
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of 42
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CAUTION:!Incorrect Spring Setting. N$>$3!(.V&-)!)^$!-K3*,%!9+4K3$--*+,!+0!(!>('>$!\^*'$!*)!*-!4+&,)$.!+,!)^$!
>$--$'!9+>$3!K'()$!+3!*,9+33$9)!-$))*,%-!4(1!3$-&')5!
!
CAUTION:!Valve/Seat Damage. 7*)^!-K3*,%!K3$--&3$!3$4+>$.!03+4!)^$!>('>$!-)$4_!)^$!-)$4!9(,!$(-*'1!-^*0)_!
(''+\*,%!)^$!-$('*,%!$.%$-!+0!)^$!-)$4!)+!9+,)(9)!4$)('!-&30(9$-!+3!)+!*4K3+K$3'1!9+,)(9)!)^$!>('>$!-$()5!7^$,!
'(1*,%!)^$!>('>$!+,)+!)^$!\+3JR$,9^_!J$$K!(!9+,-)(,)!'*0)*,%!0+39$!+,!)^$!>('>$!-)$4!(R+>$!)^$!-K3*,%!)+!J$$K!)^$!
>('>$!-$()$.5!I(1!)^$!(--$4R'1!.+\,!+,!*)-!-*.$!9(3$0&''1!(,.!*44$.*()$'1!%3(-K!)^$!+KK+-*)$!c-^+3)d!$,.!+0!)^$!
-)$4!)+!K3$>$,)!>('>$e-$()!.(4(%$5!
!
CAUTION:! Valve-Stem Eccentricity5! Z]9$--*>$! >('>$B-)$4! $99$,)3*9*)1! \*''! 9(&-$! R*,.*,%! )^()! 9(,! 3$-&')! *,!
^*%^!-)(3)B)+B.*-9^(3%$!K3$--&3$!-$))*,%-_!3$.&9$.!>('>$!9(K(9*)1!(,.e+3!'+\!>(K+3B)*%^)!K3$--&3$-5!
!
CAUTION:!Valve-Stem Failure. S3(9J-!(,.!9+33+-*+,!+0!K3$--&3$!3$'*$0!>('>$!-)$4-!9(,!3$-&')!*,!-)$4!0(*'&3$!
(,.!&,9+,)3+''$.!>$,)*,%5!
!
CAUTION:! Valve-Stem Straightening. /)3(*%^)$,*,%! +0! )^$! -)$4! R1! R$,.*,%! *)! *,! (! K3$--!4(1! 3$-&')! *,! )^$!
R&*'.&K!+0!&,$>$,!-)3$--$-!*,!)^$!-)$4_!\^*9^!4(1!3$-&')!*,!>('>$!4('0&,9)*+,5!
!
CAUTION:!Valve-Spring Failure. ?$0$9)-!*,!9+*'!-K3*,%-_!-&9^!(-!93(9J-!(,.!9+33+-*+,!K*)-_!9(,!(9)!(-!-)3$--!
9+,9$,)3()+3-5!D(*'&3$!)+!.$)$9)!)^$-$!.$0$9)-!9(,!3$-&')!*,!9+*'B-K3*,%!R3$(J(%$!(,.!&,9+,)3+''$.!>('>$!>$,)*,%5!
!
CAUTION:!Deficient Valve Travel. S+*'!-K3*,%-!)^()!^(>$!)(J$,!(!f-$)_g!3$-&')*,%!*,!(,!&,.$3-*`$.!03$$B^$*%^)_!
\*''! ,+)!(''+\!)^$!>('>$! )+!+K$,!0&''15!A^$!-K3*,%!-^+&'.!,+)! R$!R+\$.!4+3$! )^(,! GeLh! \^$,! *,! )^$!(--$4R'$.!
K+-*)*+,5!i+\*,%!4+3$!)^(,!)^*-!(4+&,)!9(,!9(&-$!)^$!-K3*,%!)+!3&R!(%(*,-)!)^$!*,-*.$!\(''!+0!)^$!,+``'$!+3!%&*.$!
)&R$!(,.!(.>$3-$'1!(00$9)!)^$!K3$--&3$!-$))*,%-5!;0!(,1!+0!)^$!.$0$9)-!4$,)*+,$.!(R+>$!(3$!+R-$3>$._!)^$!-K3*,%!
9(,,+)!R$!3$K(*3$.!(,.!4&-)!R$!3$K'(9$.5!
!
CAUTION:!Valve Sticking. ;0!)^$!-K3*,%!%&*.$!R*,.-!*,!)^$!%&*.$!)&R$!c,+``'$d_!)^$!>('>$!4(1!-)*9J!*,!)^$!+K$,!
K+-*)*+,!+3!R$! K3$>$,)$.!03+4! +K$,*,%5!U'\(1-!$,-&3$! 03$$!)3(>$'! +0!)^$!-K3*,%!%&*.$! R$0+3$!3$(--$4R'*,%!)^$!
>('>$5!
!
!
CAUTION:! Tongue Damage. U! .(4(%$.! >('>$! )+,%&$!4(1! K3$>$,)!K3+K$3! -$('*,%!+,!)^$!)(,JB9(3!4+&,)*,%!
(,.!3$-&')!*,!'$(J(%$!+0!)^$!)(,J!9+,)$,)-5!
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Midland A-1079-F Specifications

General

Brand	Midland
Model	A-1079-F
Category	Control Unit
Language	English