SPX Cooling Technologies MH Fluid Cooler User Manual page 34

maintenance
Clean and disinfect fluid cooler with biocides. Systems with biofouling, high
general bacterial counts, or positive cultures of legionella may require additional
cleaning. Refer to Fluid Cooler Cleaning section—page 22. Consult your
water treatment expert as to prudent biological evaluation testing.
Geareducer models used on doubleflow MH Fluid Coolers (Models
Note
MHF706 and MHF707) are designed for 5-year oil change inter-
vals. To maintain five-year change intervals, use only oil designed
specifically for these Geareducers. If, after five years, turbine-type
mineral oil is used, the oil must be changed semiannually. Refer
to the "Geareducer User Manual" for oil recommendations and
further instructions.
Annually: Relubricate motor(s) according to the manufacturer's instructions.
See instructions on the next page for fluid coolers with the motor located
outside the plenum option.
Check to see that all bolts are tight in the fan and mechanical equipment
region, including the fan cylinder and fan guard. Refer to Component User
Manuals for torque values.
Inspect the fluid cooler thoroughly, making maximum use of instructions given
in the separate User Manuals. Check structural bolted connections and tighten
as required. Make preventive maintenance repairs as necessary.
Check to see that all bolts are tight in the fan and mechanical equipment
region, including the fan cylinder and fan guard. Refer to Component User
Manuals for torque values.
Every 5 Years: If equipped (MHF7111-MHF7113), change Geareducer oil.
Refer to the "Geareducer User Manual" for instructions.
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