TM-9-2320-431-10-2

TRUCK, WRECKER, 8X8, M984A1

TECHNICAL MANUAL; OPERATOR'S MANUAL; PART 2 OF 2

JUNE 2009

TM-9-2320-431-10-2 - Page 350 of 712

Table 1.

PMCS - DURING - Continued

Item

No.

Interval

Item to

be

Checked

or

Serviced

Procedure

Equipment

Not Ready/

Available If:

MAST

BOOM

HOOK

MAST

CONTROL LEVER

BOOM

CONTROL LEVER

Figure 19.

(6) Move MAST control

lever to UP position until

the mast is fully erect

and the cylinders are

fully extended. Use

BOOM control lever UP

simultaneously as

required to maintain the

boom at approximately

45° above horizontal

until the mast is fully

erect. Hold the MAST

control lever to UP

position for two to three

seconds after mast is

fully erect to ensure

cylinders are fully filled

with oil.

Mast cylin-

der does not

raise com-

pletely be-

fore stop-

ping.

l.

Rotate and telescope boom;

TM 9-2320-431-10-2

0183

0183-28