Section 6
ShopTek™ ST4, ST5, ST7, ST11, ST15 Three-phase 60 Hz User Manual 6: Maintenance
88292018-236 R00
Subject to EAR, ECCN EAR99 and related export control restrictions. 41
Maintenance
6.1 General
This compressor requires a minimal amount of inspec-
tions and maintenance. The con
troller and other indica-
tors alert the operator to situations requiring
ma
intenance, or fault conditions.
6.2 Maintenance after initial 50
hours of operation
After the initial 50 hours of operation, maintenance is
required to clean the system of any foreign materials.
At this time the return line strainer should be cleaned.
Refer to Figure 6-1 and Figure 6-2.
6.3 Maintenance schedule
You should perform maintenance according to the follow-
ing schedule.
6.3.1 Every 2000 hours of operation or six
months (whichever occurs first)
• Clean the return line strainer. Refer to Figure 6-
1 and Figure 6-2.
• Pull fluid sample from fluid sample valve for
analysis. Refer to Figure 6-3.
6.3.2 Every 2000 hours of operation or one
year (whichever occurs first)
• Replace the fluid filter. Refer to Section 6.5:
Fluid filter maintenance on page 42.
• Replace air filter. Refer to Section 6.6: Air filter
maintenance on page 43.
• Check belt tension. Re-tension or replace as
necessary. Refer to Section 6.8: Belt mainte-
nance on page 45.
WARNING
Before any repairs are attempted, refer to Sec-
tion 1: Safety b
efore proceeding.
Figure 6-1: Return line strainer—ST4, ST5, ST7
1. Strainer
2. Separator tube
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