Pratt & Whitney Rzeszów S.A.
MAINTENANCE MANUAL
PZL-10W ENGINE
70-02-00
1992,08,28
Page 404
Export Control Classification: PL/UE 9E999
(2)
Draw aside the nut (1) together with spacing sleeve (2) and connector (5) along the pipe line. The nut and
connector shall be installed on the same pipes, on which they were before the disassembly of the
connection.
(3)
Install the rings (6) and the sealing rings (3) and the split spacing sleeve (4).
CAUTION:
EXCHANGE THE SEALING RINGS (3) FOR THE NEW ONES (SEE 72-02-00, TABLE
203, ITEM 32).
(4)
Screw in the nut (1) on the connector (5) and insert the safety wire to avoid the unscrewing.
E.
The procedures after the pipe line installation.
(1)
Check the clearances between the installed pipe lines. The allowed clearance values are as follows:
(a)
Between crossed lines measured perpendicularly to the pipe - min. 5 mm (0.2 in).
(b)
Between parallel lines without fittings - min. 3 mm (0.12 in), with fittings - min. 5 mm (0.2 in).
(c)
Between lines and immovable engine elements - min. 3 mm (0.12 in).
(d)
Between lines and movable engine elements - min. 8 mm (0.3 in).
(2)
Wipe the pipe connection and the places of the pipe line connection to the accessories with a petroleum
moistened cloth (see 72-02-00, Table 202, item 4).
CAUTIONS:
1.
VENT
AIR
FROM
THE
FUEL
SYSTEM
AFTER
THE
REMOVAL
AND
INSTALLATION
OF
THE
FUEL
SYSTEM
PIPE
LINES
(SEE
73-22-00,
SERVICING, ITEM 1).
2.
MOTORING (COLD) THE ENGINE AFTER THE REMOVAL AND INSTALLATION
OF THE OIL SYSTEM PIPE LINES (SEE 71-02-00, ADJUSTMENT / TEST, ITEM
3.C).
(3)
Start the engine on the ground (see 71-02-00, ADJUSTMENT / TEST, item 3.E). Operate 4 5 min. at the
ground idle.
(4)
Shutdown the engine (see 71-02-00, ADJUSTMENT / TEST, item 3.G).
(5)
Check the tightness of the pipe connections.
Make it visually or with a cloth (paper). The moistening means lack of the tightness. Tighten the nut with a
wrench in the case of a leak. After repeated leak occurrence, unscrew the nut without unfastening the
clamp. Check the alignment of the connection screwing the nut on full thread length by hand.
