MAN -
PLC
Lever Arm Tester - R
EV: 01 | G. Maintenance
16
G. Maintenance
G.1 Knife Edges
Check quarterly or after heavy loading. If damaged, rotate to a new edge. Replace when all four edges have
been used. Lever arm must be recalibrated once knife edge is rotated or replaced.
G.2 V-Blocks
Regrind or replace if damaged. Lever arm must be recalibrated once the V-blocks have been removed,
replaced, or reworked.
G.3 General Maintenance
1. Check machine for level annually with bubble level.
2. For storage, coat the knife-edges and V-blocks on arms and couplings with a thin coat of oil to prevent
corrosion. Avoid excessive lubrication because lubricants attract dust to the equipment.
3. Refer to manufacturers’ literature for additional maintenance instructions.
CAUTION:
Do not overload the machine. Observe rated capacity on data tag.
CAUTION:
Do not overload load train components. Elevated temperatures lower their
capabilities. A load train is no stronger than its weakest element.
CAUTION:
Provide snubbers and/or stop nuts on elements of load train, where
necessary, to prevent damage to accessory equipment in the event of a specimen failure.
CAUTION:
Stack weights on weight pan with slots alternating to prevent tipping.
CAUTION:
Do not jam threads to bottom on load train components. Back off one half turn
to prevent misalignment. Thread engagement should be 1 ¼ times the diameter of the
thread.
CAUTION:
Check the testing machine daily for any signs of problems with tests or test
equipment.
CAUTION:
Match serial numbers on test frames, support blocks, and lever arms when
assembling multiple testers.
