MAINTENANCE SCHEDULES 93Service Manual – Advenger, 2800ST, 3800ST, BR 755, BR 855
MAINTENANCE SCHEDULES
OPERATOR PREVENTIVE MAINTENANCE – MACHINE IN STORAGE
MAINTENANCE ITEM Daily Weekly Monthly Yearly
Check Each Battery Cell’s Water Level (wet) ●
Charge Batteries – full charge cycle 12-15 hrs ●
SERVICE TECHNICIAN SUGGESTED MAINTENANCE
MAINTENANCE ITEM Quarterly Yearly
Clean battery tops and posts with baking soda solution ●
Inspect battery connections for tight, corrosion-free t ●
Perform hydrometer battery check (wet batteries) to identify bad cells ●
Perform voltmeter check of individual batteries (gel/AGM) to identify bad cells ●
Perform battery load test to identify degraded batteries resulting in poor run time ●
Inspect vacuum motor carbon brushes for wear
(Replace if 9.5mm (3/8 inches) or shorter)
300 Op Hrs
Inspect brush motor carbon brushes
(Replace if 9.5mm (3/8 inches) or shorter)
500 Op Hrs
While brush motor being checked, also check for wear at Motor Gimbal inside Brush Plate.
Remove and replace if worn.
500 Op Hrs
Inspect drive motor carbon brushes
(Original carbon brush length is 19.1mm (3/4 inches). Replace when shorter than 6.3 mm (1/4
inches) to obtain the same motor efciency as a new brush.)
500 Op Hrs
RECOMMENDED MAINTENANCE MATERIALS
Typical adhesives and lubricants used on Advenger / BR 755, 855
include Loctite(R) Silver Grade Anti-Seize, Loctite
formulas 242, 680, 414, 409, and No More Leaks(TM)
80724 sealant; Uniroyal M6325 Adhesive, CRC White
Lithium Grease, Sprayon S00206 All-Purpose Silicone
Lube, light machine oil such as 10W-30 motor oil,
Mobil SHC 634 lube and Mobilgear 600 XP 150
(EU: AGIP BLASIA 150) gear case oil.
To clean wet batteries, baking soda will also be needed.
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