Manitowoc Grove GRT880 Service Manual

2-35
GROVE
GRT880 SERVICE MANUAL HYDRAULIC SYSTEM
2
Published 10/19/2017, Control # 618-00
Checking/Setting Cab Tilt, Counterweight
Removal, and Counterweight Pinning
Pressures
1. With the engine off, install pressure check diagnostic
quick disconnect (9999101806) with gauge onto test
nipple at GP5 port of the front steer/swing brake/pilot
supply manifold (see Figure 2-8).
2. Start engine and throttle up to full rpm. Slowly actuate
the cab tilt lower function until full controller stroke is
reached and hold. Turn the counterweight circuit
pressure reducing valve (see Figure 2-13) clockwise to
increase or counter-clockwise to decrease until a gauge
pressure of 2600 0/+50 psi (179 -0/+4 bar) is achieved.
3. Stop engine. Remove diagnostic couplers.
FIGURE 2-13
Counterweight/Cab Tilt Manifold
1 Counterweight circuit pressure reducing valve
8804-69
1
Reference Only

Manitowoc Grove GRT880 Specifications

General

Brand	Manitowoc
Model	Grove GRT880
Category	Construction Equipment
Language	English