SUNWARD SWE18UF - Signals and Gestures from Flagman; Distance to High Voltage Cables; Preventing Scald

OPERATION & MAINTENANCE MANUAL SWE18UF
16
1.2.17 Signals and Gestures from Flagman
 Provide caution plates when working on shoulder of road or loosened ground. Provide a flagman if
necessary. Operator must pay much attention to caution plates and follow flagman’s instruction.
 Use only one flagman to instruct.
 Make sure all signals and gestures are understood by the personnel prior to operation.
 It’s necessary to offer a flagman to organize operation during multi-machine operation. Be sure all his
signals are understood and follower by operators.
1.2.18 Distance to High Voltage Cables
 Severe injury or death can occur to person due to any
contact of any parts or load of machine with electric
cables. Always keep safe distance:
Voltage
Minimum safe
distance
Low voltage
100V
200V
2m
6,600V
2m
High-voltage
and extra
high voltage
22,000V
3m
66,000V
4m
154,000V
5m
187,000V
6m
275,000V
7m
500,000V
11m
 If it’s inevitable to operate in vicinity of high voltage
utilities, contact your local utility company to shut off
power supply, always wear proper electrical insulated
shoes and gloves.
 If it’s inevitable to pass by utilities, provide a flagman
to secure safe distance and warn operator in time.
1.2.19 Preventing Scald
 Be cautious of coolant burn during inspection or
discharging coolant. Hot fluid or vapor can erupt from
check port or discharging port and scald. Allow cool
before opening.
 Before attempting any inspection or oil discharging
operations, wait to prevent scald until oil is cool and
internal pressure is released.