JLG 1532E2 Service & Maintenance page 69

TROUBLE
Hydraulic pump noisy
Pump cavitating. (Vacume in pump due to oil
starvation)
System overheating
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Table 3-2. Hydraulic System Troubleshooting Chart
PROBABLE CAUSE
Air bubbles in oil (reservoir to low.)
Oil filter dirty
Oil is reservoir too low
Restricted reservoir air vent
Oil viscosity too high
Oil viscosity too high
– JLG Sizzor –
SECTION 3 - TROUBLESHOOTING
REMEDY
Replenish oil as necessary
Clean and/or replace filter as necessary
Replenish oil as necessary
Clean vent
Drain system and replace with recom-
mended oil. Refer to Table 1-2, Hydralic Oil
Drain system and replace with recom-
mended oil. Refer to Table 1-2, Hydralic Oil
3-3