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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
1 SERVICING
SEPTEMBER 01, 2015
• A keyswitch bypass relay in the emergency pump circuit automatically provides
power to the Platform/Stabilizer controls anytime the Emergency Pump switch
is on.
•
When lowering the platform under emergency pump power (with engine off),
platform will continue to descend when "Emergency Pump" switch is released
as long as "Operational (Platform) Safety" and "Platform Down" switches are
held on.
2.1 SAFETY STOP USE
SAFETY STOPS MUST BE ENGAGED
before working beneath
the platform, in the engine compartment or for maintenance/repair activities that
involve removing or disconnecting platform lift system hydraulic components.
1. Raise platform until frame rollers are rearward of safety stops.
2. Push operation knobs in and lower platform so frame rollers rest against safety
stops. See figure 1. If the platform were to fall, it will cause serious injury or
death.
FIGURE 1. SAFETY STOPS
Property of American Airlines
