Maintenance
SPG600 & SPG300 Sync Pulse Generators Service Manual 6-3
Inspection-Exterior. Inspect the outside of the sync pulse generator for damage,
wear, and missing parts, using Table 6-1 as a guide. A sync pulse generator that
appears to have been dropped or otherwise abused should be checked thoroughly
to verify correct operation and performance. Immediately repair defects that could
cause personal injury or lead to further damage to the sync pulse generator.
Cleaning Procedure – Exterior. To clean the sync pulse generator exterior, perform
the following steps.
1. Remove loose dust on the outside of the sync pulse generator with a lint free
cloth.
2. Remove remaining dirt with a lint free cloth dampened in a general purpose
detergent-and-water solutions. Do not use abrasive cleaners.
3. Clean the LCD filter with a lint-free cloth dampened with a gentle purpose
detergent-and-water solution.
Inspection – Interior. To access the inside of the sync pulse generator for inspection
and cleaning, refer to the Removal and Installation Procedures in this section.
Inspect the internal portions of the sync pulse generator for damage and wear, using
Table 6-2 as a guide. Defects found should be repaired immediately.
Table 6-1: External inspection check list
Item Inspect for Repair action
Cabinet, front panel, and
cover
Cracks, scratches, deformations,
damaged hardware or gaskets.
Repair or replace defective
modules.
Front-panel buttons Missing or damaged buttons. Repair or replace missing or
defective buttons.
Connectors Broken shells, cracked insulation,
and deformed contacts. Dirt in
connectors.
Repair or replace defective
modules. Clear or wash out dirt.
Accessories Missing or damaged items. Replace damaged or missing
items.
CAUTION. To prevent getting moisture inside the sync pulse generator during
external cleaning, use only enough liquid to dampen the cloth or applicator.
CAUTION. To prevent damage from electrical arcing, ensure that circuit boards
and components are dry before applying power to the sync pulse generator.
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