SANY SY75 - Machine Warm Up

SY75C Excavator OMM Machine Warm Up
SANY Operation and Maintenance Manual — 0220 4-15
TABLE OF
CONTENTS
INTRODUCTIONSAFETY
MACHINE
CONTROLS
MACHINE
OPERATION
MAINTENANCESPECIFICATIONS
OPTIONAL
EQUIPMENT
MACHINE WARM UP
1. Start the engine.
2. Immediately check for black exhaust smoke, very loud noise, or excessive vibration. If found, shut down
immediately and notify your SANY dealer for assistance.
3. Adjust the throttle to run the engine unloaded at low speed (about 1,050 rpm) for about five minutes.
4. Place the hydraulic lockout control lever in the UNLOCKED position.
5. Adjust the throttle to run the engine at moderate speed (about 1,400 rpm), then slowly operate the bucket for
five minutes.
6. Adjust the throttle to run the engine at high speed (about 2,000 rpm), then operate the boom, arm and bucket
for 5-10 minutes.
7. Cycle each action of the machine several times.
NOTICE!
Do not begin machine operation immediately after starting the engine. Perform the following
warm-up procedures to prepare the system for operations. Failure to do so can cause damage
to the machine, personal property and/or the environment, or cause the machine to operate
improperly.
NOTICE!
Never race the engine during the warm-up period and never operate the engine beyond the
design levels. Engine bearings, pistons, and valves may be damaged if these precautions are
not taken. Failure to observe and follow this notice can cause damage to the machine or
cause the machine to operate improperly.