TM-9-2320-260-34-1
TRUCK, 5-TON, 6X6, M809 SERIES (DIESEL)
TECHNICAL MANUAL; DIRECT SUPPORT AND GENERAL SUPPORT MAINTENANCE; VOLUME 1 OF 2
JULY 1994
TM-9-2320-260-34-1 - Page 75 of 657
TM 9-2320-260-34-1
3-9. ACCESSORY DRIVE MAINTENANCE (Contd)
NOTE
Replace screw and lockwasher with locknut on driveshaft in later
model.
6. Using arbor press, install coupling (9) on accessory driveshaft (2).
7. Install washer (10) and screw (11) on accessory driveshaft (2). Tighten screw (11) 30-35 lb-ft
(41-47 NŽm).
1. Position new gasket (17) and accessory drive (18) on engine block gearcase (16).
2. Remove plug (14) from front gearcase cover (12).
3. Rotate number one cylinder to top dead center (TDC), then 90° past TDC.
NOTE
If accessory drive gear and camshaft gear are not properly alined,
compressor timing will be incorrect.
4. Aline timing marks on camshaft gear (15) with mark on drive gear (13).
5. Install accessory drive ( 18) on engine block gearcase (16) with five new screw-assembled
lockwashers (19). Tighten screw-assembled lockwashers (19) 40-45 lb-ft (54-61 N•m).
6. Install plug (14) on front gearcase cover (12).
FOLLOW-ON TASKS:
Install accessory pulley (para. 3-8).
Install air compressor (para. 11-3).
3-23
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