Section V, Maintenance; Test Equipment And Lubricants; Performance Checks; Recommended Test Equipment - HP 7414A Operating And Service Manual

Model 7754A/7414A
SECTION V
MAINTENANCE
Section V
Maintenance
5-1. INTRODUCTION.
5-2. This section provides maintenance and service infor-
mation for the Hewlett-Packard 4-Channel Thermal Tip
Recorder. Information includes:
required. Other test equipment may be used if its specifi-
cations equal those listed. For satisfactory performance, use
only the lubricants listed in Table 5-2. Lubrication intervals
are as follows:
Performance Checks
Preventive Maintenance
Adjustments and Minor Repairs
Overhaul and Lubrication (Gearbox)
Paragraph 5-5.
Paragraph 5-10.
Paragraph 5-20.
Paragraph 5-49.
Normal use in upper half of the speed range:
12 months or 2000 hours.
Slow speed use, over extended periods:
6 months or 1000 hours.
For further information, refer to Paragraph 5-49.
For system troubleshooting information, refer to Table 5-3.
5-3. TEST EQUIPMENT AND LUBRICANTS.
5-4. The test equipment recommended for maintenance is
listed in Table 5-1, with the performance characteristics
5-5. PERFORMANCE CHECKS.
5-6. The performance checks verify specifications and cir-
cuit operation, and can be used under the following circum-
stances:
I
I
I
Instrument Type
Variable Autotransformer
OCVTVM
Digital Voltmeter (DVM)
Function Generator
Oscilloscope
Stylus Pressure Tester
Test Boards
Test Cable
Oscillator Load Plug
07754-1
Table
5-1.
Recommended Test Equipment
Required Characteristics
115 or 230 Vac; 0-130 Vac, 5 amperes;
0-260 Vac, 2.5 amperes
1 mV to 1000V full scale, 1 rnA to
1 ampere
Range: 0-999.9V; Accuracy: ±0.05%
0.01 Hz - 100 kHz 35V p-p open
circuit output; 15V p-p into 600-ohm
load
Sensitivity 5 mY/division or better.
Vertical amplifier dc coupled, dc to
400 kHz or better
25 grams maximum
PC Board Support for Driver and
Regulator
/0
scillator
Driver Amplifier Extender Board
Regulator/Oscillator Extender Board
For test signals
To load oscillator
Model Number of
Instrument Recommended
General Radio VARIAC
HP Model 412A or equivalent
HP Model 3440A or equivalent
HP Model 3300A with Model 3301A
Auxiliary Plug-in. Used with dual-
banana to BNC adapter HP 10110A.
HP Model 140 with Time Base and
any 1400-series Vertical Amplifier.
HP Part o. 14023A or equivalent
07754-00900 (Figure 5-2)
07754-00920
07754-00910
To be made; see Figure 5-2
To be made; see Figure 5-2
5-1