[211 Rp] Timing Gear Cover - Mack E7 Service Manual

5-101.bk Page 44 Friday, March 17, 2006 11:05 AM
Apply Loctite€ 271 to all capscrews used to
assemble the oil pump.
3. If the pump was disassembled and is now
securely mounted in position, torque all
capscrews on the pump as follows:
— Plate, 15 lb-ft (20 N m)
— Sump, 35 lb-ft (47 N m)
— Relief valve cap, 80 lb-ft (108 N m)
— Housing cover, 15 lb-ft (20 N m)
After the auxiliary driveshaft has been installed,
check the backlash between the auxiliary
driveshaft gear and the oil pump drive gear.
4. Check the oil pump drive gear to oil pump
driven gear backlash, 0.0072–0.0138 inch
(0.1829–0.3505 mm), using a thickness
gauge between the auxiliary driveshaft gear
and the oil pump drive gear.
Page 6-44
200 ENGINE ASSEMBLY

[211 RP] TIMING GEAR COVER

With the crankshaft, camshaft and auxiliary
driveshaft in place, install the timing gear cover.
Remove the injection pump cover from the timing
cover to allow access to the injection pump drive
gear during injection pump installation.
For all E7 engines that do not use the front
timing boss, a new timing gear cover
(No. 333GB5123M2) is available without the
timing boss. The new timing gear cover has a
reduced possibility of cracking. For E7 engines
requiring front timing, the old timing gear cover
(No. 333GB5123M) is still available.
1. Apply a light coat of Silastic to the timing-
2. Position the timing cover on the cylinder-
Some mounting capscrews cannot be installed
until the injection pump is installed.
3. Secure the timing cover to the cylinder block
4. Position the front pedestal mount on the
cover mounting surface.
block mounting surface.
using the mounting capscrews. Torque the
capscrews to 40 lb-ft (54 N m) using torque
wrench J 24407 or equivalent.
timing cover and secure with the mounting
hardware. Torque the pedestal mounting
capscrews to 70 lb-ft (95 N m) using torque
wrench J 24407 or equivalent.