LiftMaster CSW24V CSW24V Installation Manual - Page 37

MAINTENANCE MAINTENANCE CHART + BATTERIES MAINTENANCE CHART Disconnect all power (AC, solar, battery) to the operator before servicing. The operator's AC Power switch ONLY turns off AC power to the control board and DOES NOT turn off battery power. ALWAYS disconnect the batteries to service the operator. DESCRIPTION Entrapment Protection Devices Warning Signs Manual Disconnect Sprockets and Chains Gate Accessories Electrical Chassis Mounting Bolts Operator Batteries TASK Check and test for proper operation Make sure they are present Check and test for proper operation Check for excessive slack and lubricate Inspect for wear or damage Check all for proper operation Inspect all wire connections Check for tightness Inspect for wear or damage Replace CHECK AT LEAST ONCE EVERY MONTH 6 MONTHS 3 YEARS X X X X X X X X X X NOTES: • Severe or high cycle usage will require more frequent maintenance checks. • It is suggested that while at the site voltage readings be taken at the operator. Using a digital voltmeter, verify that the incoming voltage to the operator it is within ten percent of the operator's rating. BATTERIES Batteries will degrade over time depending on temperature and usage. For best performance, the batteries should be replaced every 3 years. Use only LiftMaster part 29-NP712 for replacement batteries. The operator comes with two 7AH batteries. Two 33AH (A12330SGLPK) with additional battery tray (K10-36183) may be used in place of the 7AH batteries. The batteries contain lead and need to be disposed of properly. Batteries do not perform well in extremely cold temperatures. NOTE: If your application includes a heater, two 33AH will not fit into the operator enclosure. The operator alarm will beep 3 times with a command if the battery is low. 35