Safety and operating instructions
© Construction Tools PC AB | 3390 5211 01 | 2020-09-18
Original Instructions
37
7.12 Bolt connections / Tightening torques HC 850 - HC 1050
The bolt connections of hydraulic compactors are subjected to very high loads.
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Tighten any loose connections without exceeding the recommended tightening torques.
Connection point
HC 850
HC 1050
Rotating mechanism
(fixing bolts*)
A
Allen key / 14 mm (0.55 in.)
219 Nm (162 ft lbs)
Allen key / 17 mm (0.67 in.)
410 Nm (302 ft lbs)
Rotating mechanism
(fixing bolts / nuts)
B
Allen key / open-ended wrench
14 mm (0.55 in.) / 24 mm
(0.95 in.)
295 Nm (218 ft lbs)
Allen key / open-ended wrench
17 mm (0.67 in.) / 30 mm
(1.18 in.)
580 Nm (428 ft lbs)
Adapter plate*
(fixing bolts)
C
Allen key / 17 mm (0.67 in.)
410 Nm (302 ft lbs)
Allen key / 22 mm (0.87 in.)
1500 Nm (1106 ft lbs)
Rubber isolators
(fixing bolts / nuts)
D/E
open-ended wrench / 19 mm
(0.75 in.)
329 Nm (243 ft lbs)
open-ended wrench / 27 mm
(1.06 in.)
329 Nm (243 ft lbs)
Tamper plate
(fixing bolts / nuts)
F
open-ended wrench / 36 mm (1.42 in.)
798 Nm (589 ft lbs)
Hydraulic motor
(fixing bolts)
G
open-ended wrench / 24 mm (0.95 in.)
230 Nm (170 ft lbs)
Cover
(fixing bolts)
H
open-ended wrench / 22 mm (0.87 in.)
148 Nm (109 ft lbs)
Air breather valve
I
open-ended wrench / 15 mm (0.59 in.)
pretighten finger tight, then 1 - 2 turns tighten with the open-ended
wrench
Drain plug
J
Allen key / 8 mm (0.32 in.)
30.5 Nm (23 ft lbs)
Oil level indicating plug
K
Allen key / 7 mm (0.28 in.)
pretighten finger tight, then 1 - 2 turns tighten with the Allen key
* Treat the threads of the Allen screws with Anti-seize prior to screwing them in.The contact face of the screw head
and the lock washers must not be lubricated.
