HP 3478A Technical Manual page 127

C-1. General C-1. General
This appendix provides a summary of the maintenance operations for the Digital Mu This appendix provides a summary of the m
authorizes categories of maintenance for specific maintenance functions on repairable items and components and the authorizes categories of maintenance for specific maintenance functions on
tools and equipment required to perform each function. tools and equipment required to perfo
operations. operations.
D-2. Maintenance D-2. Maintenance Function Function
Maintenance functions will be limited to and defined as follows: Maintenance functions will be limited to and defined as follows:
a. a. Inspect. Inspect. To determine the To determine the serviceability of an item
characteristics with established standards through characteristics with established standards through examination.
b. b. Test. Test. To verify serviceability To verify serviceability and to detect incipient
of an item and of an item and comparing those characteristics with prescribed standards. comparing those characteristics with prescribed standards.
c. c. Service. Service. Operations required p Operations required periodically to keep an item
(decontaminate), to preserve, to drain, to paint, or to (decontaminate), to preserve, to drain, to paint, or to replenish fuel, lubricants, hydraulic fluids, or
d. d. Adjust. Adjust. To maintain, within pres To maintain, within prescribed limits, by bringing
characteristics to specified parameters. characteristics to specified parameters.
e. e. Align. Align. To adjust specified var To adjust specified variable elements of an
f. f. Calibrate. Calibrate. To determine and To determine and cause corrections t
diagnostics equipments use in precision measurement. diagnostics equipments use in precision measu
certified standard of known accuracy of certified standard of known accuracy of the instrument being compared.
APPENDIX D APPENDIX D
MAINTENANCE ALLOCATION MAINTENANCE ALLOCATION
Section Section 1. 1. INTRODUCTION
aintenance operations for the Digital Multimeter, HP Model 3478A.
rm each function. This appendix may be used as an aid in planning maintenance This appendix may be used as an aid in planning maintenance
serviceability of an item by comparing its phy
examination.
and to detect incipient failure by measuring
eriodically to keep an item in proper operating c
replenish fuel, lubricants, hydraulic fluids, or compressed air supplies.
cribed limits, by bringing into proper or ex
iable elements of an item to bring about
cause corrections to be made or to o be made or to be adjusted in instrum
rement. Consists of comparison of two instr Consists of comparison of two instruments, one in which is a
the instrument being compared.
INTRODUCTION
repairable items and components and the
by comparing its physical, mechanical, and/or sical, mechanical, and/or electrical
failure by measuring the mechanical or elec the mechanical or electrical characteristics
in proper operating conditions;
into proper or exact position, or set act position, or setting the operating
item to bring about optimum or des optimum or desired performance.
be adjusted in instruments or test
D-1 D-1
TM 11-6625-3071-14 TM 11-6625-3071-14
ltimeter, HP Model 3478A. It It
electrical
trical characteristics
onditions; ie., to clean ie., to clean
compressed air supplies.
ting the operating
ired performance.
ents or test measuring and measuring and
uments, one in which is a