Function Selector - Craftsman 161.210400 Owner's Manual

Function Selector
Alternator RPM InducttveTach
m m D
Volts__, well
Points m _ Ohms
FUNCTION SELECTOR SWITCH POSITIONS
FIGURE 2
m
POINTS. 3.2 Volt Lo scale-provldes
point condition on scale. Also used
for locating voltage drops in elect..
rlcal starting and charging system.
VOLTS. Used to Indicate battery
charging and starting cor_ditlons.
Use 16 volt Lo scale for t2 volt systems_
and 32 volt (HI) r_ale for 24 volt
systems•
4. RPM. Provides i200 or 6000 RPM
engine speed reading. See item #9
Page 3. Use Lo-i200 RPM range fat
all Lo speed carburetor idle tests
and Hi- 6000 RPM range for high
speed tests.
5. DWELL. Used to check point dwell
on breaker polnt ignitton systems.
Read 45 ° scale fo[ 8 cvi.o 60 ° scale
for 6 cyl, and 90" scale for 4 cyt.
engines.
.
ALTERNATOR. Indlcates alternator
condition on GOOD or DEFECTIVE
sca'te wlth englne running. It w(ll
detect open or shorted diodes or
windings.
.
OHMS. HI & Lo - used to measure
electrical resistance in Ohms, on
ignition cables, ballast resistOrSeor
ignition coil windings. Select HI or
Lo position. See Item 19 Page 3.
.................................................. i i i iiillll illrlll[ i iii ii ...................................................
IMPORTANT: The above function tests will
NOT WORK on meter unless other
tests selector sw(tch4, ITEM
Nc. 7 Page No. 3) Is in CENTER
POSITION for OTHER TESTS.
NOTE: The Ohms test operates from an
internal 9 volt battery and ;ncorperates
automatic Internal zero calibration.
No external zero adjustment ;s required.