![background image](http://html.mh-extra.com/html/federal-signal-corporation/leach-2r-iii/leach-2r-iii_service-manual_548517079.webp)
SECTION 8
8-3
TROUBLESHOOTING
OPERATION IS ERRATIC
POSSIBLE CAUSE
Speed up system operating erratically.
Hydraulic fluid too hot.
Hydraulic fluid level too low.
Bypass in cylinders.
Hydraulic fluid too cold.
Operating linkage bent or binding.
1.
2.
3.
4.
5.
6.
REMEDY
Check electrical system. See Sec. 9, Service and
Repair.
Check for proper grade of fluid. See Sec. 5, Speci-
fications.
Check fluid level. Add fluid if necessary.
Test for leaking cylinders. See Sec. 9, Service and
Repair.
Bring fluid to operating temperature.
Check for proper grade of hydraulic fluid. See Sec.
5, Specifications.
Repair, replace or realign damaged linkage.
1.
2.
3.
4.
5a.
5b.
6.
PUMP NOISE IS EXCESSIVE
NOTE:
ALL PUMPS MAKE A CERTAIN AMOUNT OF NOISE.
POSSIBLE CAUSE
REMEDY
Pump starving for fluid.
Hydraulic fluid too cold.
PTO driveshaft and/or u-joints badly worn or out of
balance.
Pump gears, end plates, bearings, etc. badly worn.
Improper grade of hydraulic fluid (fluid foaming).
Air entering the system.
Open ball valve.
Check fluid level.
Check hydraulic fluid filter and tank.
Check for obstruction in suction lines, hoses kinked
or collapsed.
Bring fluid to normal operating temperature.
Change hydraulic fluid to proper grade for operat-
ing conditions. See Sec. 5, Specifications.
Repair, replace and/or balance all parts.
Replace pump.
Replace with proper grade of hydraulic fluid. See
Sec. 5, Specifications.
Tighten the suction hose.
Replace the pump shaft seal.
Replace the suction hose.
Repace the o-rings on the pump.
Tighten or repair any leaks in the hydraulic system.
1.
2.
3.
4.
5.
6.
1a.
1b.
1c.
1d.
2a.
2b.
3.
4.
5.
6a.
6b.
6c.
6d.
6e.
Summary of Contents for LEACH 2R-III
Page 2: ......
Page 8: ......
Page 26: ...SECTION 2 2 8 ...
Page 28: ...OPERATION SECTION 3 LOCATION OF OPERATING CONTROLS 3 2 4 6 5 7 8 1 2 3 8 9 10 11 12 7 ...
Page 46: ...SECTION 3 3 20 ...
Page 54: ...SECTION 4 4 8 ...
Page 60: ...SECTION 6 6 4 PREVENTIVE MAINTENANCE 1 2 3 4 5 6 7 8 ...
Page 62: ...SECTION 6 6 6 ...
Page 76: ...SECTION 7 7 10 ...