Manitowoc Grove TMS800E User Manual

8-33
TMS800E SERVICE MANUAL UNDERCARRIAGE
8
GROVE
Published 01-29-2014, Control # 496-00
4. Adjust the primary and secondary air tank pressures to
6.2 to 6.8 bar (90 to 100 psi).
5. With service brakes released, measure distance from
slack adjuster clevis pin to chamber mounting face on
each brake. Refer to Dimension “A” in (Figure 8-36).
6. Starting with 6.2 to 6.8 bar (90 to 100 psi) air tank
pressure in both primary and secondary systems, fully
apply service brakes and hold brakes on. Do not pump
the brakes. Measure between the same points as in step
5 on each brake. This is Dimension “B” in (Figure 8-36).
7. Subtract Dimension “A” from Dimension “B” for each
brake position (Figure 8-36). This value cannot exceed 5
cm (2 in) on the front brakes or 6.3 cm (2.5 in) on the
rear brakes.
8. If any brake exceeds values shown in step 7, the brake
must be re-adjusted per the Brake Free Play
Measurement and Adjustment procedure that follows in
this section.
9. If after adjustment the requirements in step 7 cannot be
met, contact you Manitowoc Crane Care distributor. The
crane cannot be driven on public roads until repaired.
Brake Free Play Measurement and
Adjustment
The following procedure is required to ensure that the free
play of the brakes is within required values.
NOTE: If the brake is equipped with a spring type parking
chamber the spring must be caged before taking
measurements.
1. Chock the wheels and release the parking brakes.
2. Remove the plastic end cap from the spring brake
chamber (Figure 8-37).
NOTE: If the items referred to in step 3 and 4 are not
stored on the chamber, they must be obtained from
the vehicle tool box or Manitowoc Crane Care, as
the piggyback spring brake cannot be manually
released without them.
3. Using a 3/4 inch wrench, unscrew the release-nut and
remove the nut, flatwasher and release-bolt from their
storage pocket on side of chamber (Figure 8-38).
4. Insert the release-bolt into the center hole of the head.
Ensure the formed end of the bolt has entered the hole
in the piston inside the chamber. Continue to insert the
bolt until it bottoms out (Figure 8-39).
FREE STROKE = B MINUS A
Drum brake free stroke must be
12.7 - 15.9 mm (0.5 - 0.625 inches)
7094-2
A
B
MEASURE FREE STROKE
FIGURE 8-36
7092-1
FIGURE 8-37
7092-2
FIGURE 8-38
Reference Only

Manitowoc Grove TMS800E Specifications

General

Brand	Manitowoc
Model	Grove TMS800E
Category	Construction Equipment
Language	English