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CHAPTER 2 MAINTENANCE
NMC-WOLLARD
2021 Truax Blvd. Eau Claire, WI 54703 ● P: 715-835-3151● F: 715-835-6625 ● www.nmc-wollard.com
TML-704H Maintenance Lift Manual No. 310547
2 TROUBLE SHOOTING
SEPTEMBER 01, 2015
Chattering noise and/or
jerkiness noted when
lowering platform
E2, E3, E5 SV1B,
SW8, 9,
LS-HB
H8, H9 FC1
H7 M1 P1, RV1
M16,
M17,M18
Cylinder “leaks down”
gradually over a period of
time
H11 HC1
H9, H12,H30 PC1
Excessive continuous or
intermittent rod seal
leakage
H10 FC1
Cylinder “hunts” when
lowering (large variations
in speed at regular
intervals)
H9 FC1
Platform lowers very slowly H8, H9 M16, M17,
M18
FC1, PC1,
SV1
H1
Platform “Up” function
ceases to operate a short
while after stabilizers have
been lowered
E23 PS-SE
H7 RV3
H11 HC2
H9, H30 PC4
Platform and stabilizers
can be operated without
actuating “Safety” switch
E24 H28, H12,
H30
SV3
E6 SW4,
SW12
Platform raises or lowers
by itself when “Operate
Safety” switch is actuated
E6 SW8,9
E24 H9, H12,
H30
SV1
Platform can be raised
before stabilizers are fully
extended
E6, E23,
E24
PS-SE
Platform can be operated
with hand-brake o
E6, E11,
E24
LS-HB
“Park Brakes On” lamp
PL6 ashes when platform
or stabilizer valves are
de-energized
E2, E3,
E16
REC2
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