Model EQ10
Installation, Operation and Maintenance
Page 12
Rev. 11/30/2020
EQ
10-IOM-Q.
doc
M
AINTENANCE
To avoid personal injury, permit only qualified
personnel to perform maintenance on this
equipment. Maintenance personnel should follow
lockout/tagout instructions per ANSI Z244.1.
The following maintenance points are suggested as
the basis of a routine maintenance program. The
actual maintenance program should be tailored to
the installation. See ANSI/ALI ALOIM booklet for
periodic inspection checklist and maintenance log
sheet.
If lift stops short of full rise or chatters, check fluid
level and bleed both cylinders per Installation
Instructions.
Replace all Safety, Warning or Caution Labels if
missing or damaged (
See Installation
instructions page 3
.
)
Daily
Keep lift components clean.
Check for loose or broken parts.
Check hydraulic system for fluid leaks.
Check adapters for damage or excessive wear.
Replace as required with genuine Challenger Lifts
parts.
Check lock release activation. When properly
adjusted, the idler column lock should rest firmly
against the back of the column when engaged
and pull clear of the column back when
disengaged.
Weekly
Check synchronizer cables and sheaves for wear.
Replace as required with genuine Challenger Lifts
parts.
Check synchronizer cable tension per Installation
Instructions. Adjust if necessary. If both threaded
ends of either cable have run out of adjustment,
then replace both cables. (Cables should always
be replaced in sets.)
Monthly
Torque concrete anchor bolts to 80 ft-lbs.
Check overhead shutoff switch. While raising lift,
operate overhead shutoff bar. Power Unit motor
should stop when bar is raised.
Lubricate carriage slide tracks with heavy viscous
grease. (Grease all (4) corners of both columns.)
Visually inspect concrete floor for cracks and/or
spalls within 12” of base plate
If any problems are encountered, contact your
local service representative
.
