ページ1に含まれる内容の要旨
PRECISION SENSITIVE DIGITAL TACHOMETER
INSTAllATION INSTRUCTIONS
.
Special Instructions for '-SM'&'-SH' Versions
Aetna Engineering Precision Sensitive Digital
Mounting:
Tachometers are premium quality instruments.
Th.ey use "LSI" digital circuitry to provide an
Select a mounting location where the tachometer
instrument guaranteed accurate to one RPM,
may be easily read. The front of the tachometer
that. never requires calibration, and performs
has a gasketed glass-to-metal seal making it
reliabl
ページ2に含まれる内容の要旨
Wiring: housing and adjusted so that the clearance is approximately one-half turn back from contact During wiring it is recommended that the with the gear. The two sender wires are negative battery cable be removed from the connected to the signal and ground terminals at battery or the master switch(es) turned off. the tachometer using a twisted/shielded cable. The tachometer has a grounded case and is for Connect the two wires from the sender through use on negative ground systems only (an the
ページ3に含まれる内容の要旨
Testing: A special anti-fogging compound is applied to Reconnect the battery and turn the ignition on. the inside of the glass during manufacture. The display should illuminate and show "0000" Internal fogging of the glass may be reduced by indicating power is reaching the unit. Start the removing the ratio switch cap. In cases of engine and verify that the display indicates persistent fogging,. contact the factory for engine RPM. When the engine is cold and idling additional help. No routine ma
ページ4に含まれる内容の要旨
. Aetna Digital Tachometers INSTRUCTIONS SWITCH SETTING For use by Factory Authorized personnel- Only '-SH' V-ersion '-SM' Version Switch Position PPR Switch Position PPR 8 5 6 7 3 4 1 2 7 8 6 3 4 5 1 2 on off on on off on on off 91 off 0(( on on o(f on 0(( 0(( off on on of( 28 off on 0(( on 92 off on on on 0(( off on on off on of( 29 on on on of( 93 0(( off on on off off on on on off off on on 3J 0(( on 0(( on 94 on on on on off on on off of( on on on 31 on off on 0(( 95 off off off off off of(
ページ5に含まれる内容の要旨
Aetna Digital Tachometers SWITCH SETTING INSTRUCTIONS For use by Factory Authorized Personnel Only '-SH' Version Switch Position PPR Switch Position PPR 7 8 3 4 5 6 1 2" 8 7 3 4 5 6 off on 1 2 on on on on off off 205 on off on off off off off on on on on on off off on 154 206 on on on on on off on on off off on on 155 on on off off 2!J7 on off on off off on on off off off on off on off 156 on on off 200 on on off on off off on on off off on 157 on off on off on 200 off on on on off on off on off
