Manitowoc 999 Service And Maintenance Manual

Reference Only
Manitowoc Published 05-16-17, Control # 233-03 2-25
999 SERVICE/MAINTENANCE MANUAL HYDRAULIC SYSTEM
2
9. Fill hydraulic tank to FULL HOT level mark on sight
gauge (Figure 2-21
).
10. Bleed hydraulic tank sight gauge hose:
a. Disconnect hose at bottom of gauge.
b. Allow hose to hang straight down into a container.
c. Allow oil to flow freely from hose until oil is clear (no
air bubbles in oil).
d. Reconnect hose to gauge.
11. As tank is filling, monitor bleed port on top of suction
tube (Figure 2-20
). When clear oil appears, install plug
using Loctite sealant with Teflon.
12. Monitor pressure gauge port on top of charge filter
manifold (Figure 2-20
). Oil will flow by gravity from
hydraulic tank to filter manifold. Install pressure gauge
fitting when clear oil appears.
13. Check for oil at auxiliary drum charge filter. Observe
open bleed port at outlet fitting while cranking engine
momentarily — do not start engine. Continue to bump
engine starter until oil appears at bleed port. Install bleed
port fitting cap.
FIGURE 2-20
Pressure Gauge Fitting
Charge Filter
Manifold
Return Oil Manifold
Suction Tube
Bleed
Cap
OPEN
CLOSE
Auxiliary Drum
Charge Filter
Front of Pumps in Left Rear Enclosure
Rear of Pumps in Left Rear Enclosure
Bleed Plug
Charge Filter Shut-Off Valve
FIGURE 2-21
Hydraulic Tank
Sight Gauge
P1418
Disconnect Hose
from Bottom of
Gauge to Bleed Air

Manitowoc 999 Specifications

General

Brand	Manitowoc
Model	999
Category	Construction Equipment
Language	English